| ISSN | Title |
| 1018-595X | O A P E C MONTHLY BULLETIN |
| 1060-3220 | O AND P BUSINESS NEWS |
| 1044-307X | O B G MANAGEMENT |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, INDE |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, AUSTRALIE |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, CANADA |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, CHILI |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, ETATS-UNIS |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, FINLANDE |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, HONGRIE |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, ISLANDE |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, ITALIE |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, NORVEGE |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, PORTUGAL |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, ROYAUME UNI |
| 0304-3363 | O C D E. ETUDES ECONOMIQUES, SLOVENIE |
| 1048-3039 | O E M OFF-HIGHWAY |
| 1102-7428 | O J |
| 1935-1623 | O N S CONNECT |
| 0890-5215 | O N S NEWS (ONCOLOGY NURSING SOCIETY) |
| 0301-1569 | O R L: JOURNAL FOR OTO-RHINO-LARYNGOLOGY AND ITS RELATED SPECIALITIES |
| - | OAG FLIGHT GUIDE |
| - | OAG FLIGHT GUIDE WORLDWIDE |
| 1660-8933 | OBERWOLFACH REPORTS |
| 1930-7381 | OBESITY |
| 1545-1712 | OBESITY MANAGEMENT |
| 1071-7323 | OBESITY RESEARCH |
| 1467-7881 | OBESITY REVIEWS |
| 0960-8923 | OBESITY SURGERY |
| 1464-7230 | OBJECT |
| 1559-1905 | OBJECTIVE STANDARD |
| - | OBSERVER |
| 0888-4412 | OBSIDIAN II |
| 1542-1619 | OBSIDIAN III |
| 0275-665X | OBSTETRIC ANESTHESIA DIGEST |
| 1362-6337 | OBSTETRIC ULTRASOUND |
| 0029-7828 | OBSTETRICAL AND GYNECOLOGICAL SURVEY |
| 0029-7844 | OBSTETRICS AND GYNECOLOGY |
| 0889-8545 | OBSTETRICS AND GYNECOLOGY CLINICS OF NORTH AMERICA |
| 0730-0107 | OCCASIONAL PAPERS - REPRINT SERIES IN CONTEMPORARY ASIAN STUDIES |
| 1351-0711 | OCCUPATIONAL AND ENVIRONMENTAL MEDICINE |
| 1359-9364 | OCCUPATIONAL ERGONOMICS |
| 0029-7909 | OCCUPATIONAL HAZARDS |
| 0029-7917 | OCCUPATIONAL HEALTH |
| 0362-4064 | OCCUPATIONAL HEALTH AND SAFETY |
| 0896-3835 | OCCUPATIONAL HEALTH AND SAFETY NEWS |
| 0951-4600 | OCCUPATIONAL HEALTH REVIEW |
| 0962-7480 | OCCUPATIONAL MEDICINE |
| 0199-4786 | OCCUPATIONAL OUTLOOK QUARTERLY |
| 0738-0577 | OCCUPATIONAL THERAPY IN HEALTHCARE |
| 0164-212X | OCCUPATIONAL THERAPY IN MENTAL HEALTH |
| 0966-7903 | OCCUPATIONAL THERAPY INTERNATIONAL |
| 0276-1599 | OCCUPATIONAL THERAPY JOURNAL OF RESEARCH |
| 0964-5691 | OCEAN AND COASTAL MANAGEMENT |
| 0090-8320 | OCEAN DEVELOPMENT AND INTERNATIONAL LAW |
| 0884-5883 | OCEAN DRILLING PROGRAM. PROCEEDINGS |
| 1616-7341 | OCEAN DYNAMICS |
| 0029-8018 | OCEAN ENGINEERING |
| 1463-5003 | OCEAN MODELLING |
| 0823-2903 | OCEAN RESOURCES |
| 1738-5261 | OCEAN SCIENCE JOURNAL |
| 0029-8077 | OCEANIA |
| 0748-1489 | OCEANIC ABSTRACTS |
| 0029-8115 | OCEANIC LINGUISTICS |
| 0967-0653 | OCEANOGRAPHIC LITERATURE REVIEW |
| 0399-1784 | OCEANOLOGICA ACTA |
| 1730-413X | OCEANOLOGICAL AND HYDROBIOLOGICAL STUDIES |
| 0001-4370 | OCEANOLOGY |
| 0029-8182 | OCEANUS |
| 0078-3250 | OCHRONA PRZYRODY (NATURE CONSERVATION) |
| 1524-5012 | OCHSNER JOURNAL |
| 0163-898X | OCLC (ONLINE COMPUTER LIBRARY CENTER) NEWSLETTER |
| 1065-075X | OCLC (ONLINE COMPUTER LIBRARY CENTER) SYSTEMS AND SERVICE |
| 1044-3800 | OCLC ANNUAL REPORT (ONLINE COMPUTER LIBRARY CENTER) NEWSLETTER |
| 0163-898X | OCLC NEWSLETTER |
| 0162-2870 | OCTOBER |
| 1559-016X | OCTOPUS |
| 0914-6466 | OCU BULLETIN REVIEW |
| 0927-3948 | OCULAR IMMUNOLOGY AND INFLAMMATION |
| 1098-5077 | OCULUS |
| - | ODA NEWS, ONTARIO DENTIST |
| 0019-1442 | ODEGGUPGUASZATI SZE MLE |
| 1618-1247 | ODONTOLOGY |
| 1043-2957 | ODWYERS PR SERVICES REPORT |
| 0163-0946 | ODYSSEY |
| 1106-1146 | ODYSSEY: THE WORLD OF GREECE |
| - | OECD ADVANCES IN RISK MANAGEMENT OF GOVERNMENT DEBT |
| - | OECD AGRICULTURAL OUTLOOK |
| - | OECD BUSINESS CLUSTERS |
| - | OECD CREDITOR REPORTING SYSTEM |
| - | OECD DAIRY POLICY REFORM AND TRADE LIBERALISATION |
| 0474-5574 | OECD ECONOMIC OUTLOOK |
| 0255-0822 | OECD ECONOMIC STUDIES |
| 0376-6438 | OECD ECONOMIC SURVEYS |
| - | OECD EDUCATION AT A GLANCE |
| - | OECD EMPLYMENT OUTLOOK |
| - | OECD ENVIRONMENTALLY HARMFUL SUBSIDIES |
| - | OECD FIGHTING CORRUPTION IN TRANSITION ECONOMIES ARMENIA |
| - | OECD FIGHTING CORRUPTION IN TRANSITION ECONOMIES AZERBAIJAN |
| - | OECD FIGHTING CORRUPTION IN TRANSITION ECONOMIES GEORGIA |
| - | OECD FIGHTING CORRUPTION IN TRANSITION ECONOMIES TAJIKISTAN |
| - | OECD FIGHTING CORRUPTION IN TRANSITION ECONOMIES UKRAINE |
| - | OECD GOVERNANCE OF INNOVATION SYSTEMS |
| - | OECD HANDBOOK ON ECONOMIC GLOBALISATION INDICATORS |
| - | OECD HOUSING FINANCE MARKETS IN TRANSITION ECONOMIES |
| - | OECD IEA STATISTICS COAL INFORMATION |
| - | OECD IEA STATISTICS ELECTRICITY INFORMATION |
| - | OECD IEA STATISTICS ENERGY BALANCES OF NON-OECD COUNTRIES |
| - | OECD IEA STATISTICS ENERGY BALANCES OF OECD COUNTRIES |
| 0256-2332 | OECD IEA STATISTICS ENERGY PRICES AND TAXES |
| - | OECD IEA STATISTICS ENERGY STATISTICS OF NON-OECD COUNTRIES |
| - | OECD IEA STATISTICS NATURAL GAS INFORMATION |
| - | OECD IEA STATISTICS OIL INFORMATION |
| 1025-9988 | OECD IEA STATISTICS OIL, GAS, COAL AND ELECTRICITY QUARTERLY STATISTICS |
| - | OECD INSURANCE STATISTICS YEARBOOK |
| - | OECD INTERNATIONAL INVESTMENT PERSPECTIVES |
| - | OECD IRON AND STEEL INDUSTRY IN 2003 |
| 1995-2848 | OECD JOURNAL ECONOMIC STUDIES |
| 1995-2864 | OECD JOURNAL FINANCIAL MARKET TRENDS |
| 1995-2821 | OECD JOURNAL GENERAL PAPERS |
| 1560-7771 | OECD JOURNAL OF COMPETITION LAW AND POLICY |
| 1608-7143 | OECD JOURNAL ON BUDGETING |
| 1816-8124 | OECD JOURNAL ON DEVELOPMENT |
| - | OECD KEY PUBLICATIONS CATALOGUE |
| - | OECD LABOUR FORCE STATISTICS |
| 0474-5523 | OECD MAIN ECONOMIC INDICATORS |
| 1011-792X | OECD MAIN SCIENCE AND TECHNOLOGY INDICATORS |
| 1607-0623 | OECD MONTHLY STATISTICS OF INTERNATIONAL TRADE |
| - | OECD NATIONAL ACCOUNTS OF OECD COUNTRIES |
| 0029-7054 | OECD OBSERVER |
| 1609-1914 | OECD PAPERS |
| - | OECD PISA 2003 DATA ANALYSIS MANUAL |
| - | OECD PISA 2003 TECHNICAL REPORT |
| - | OECD POLICY ISSUES IN INSURANCE |
| 0255-3627 | OECD QUARTERLY LABOR FORCE STATISTICS |
| 0257-7801 | OECD QUARTERLY NATIONAL ACCOUNTS |
| - | OECD RADIOACTIVE WASTE MANAGEMENT |
| - | OECD RENEWABLES INFORMATION |
| 0029-8549 | OECOLOGIA |
| - | OESTERREICHISCHE NATIONALBANK MONETARY POLICY AND THE ECONOMY |
| 0945-358X | OESTERREICHISCHE WASSER UND ABFALLWIRTSCHAFT |
| 0030-0071 | OFF OUR BACKS |
| - | OFFICE FOR NATIONAL STATISTICS, FINANCIAL STATISTICS |
| 1096-5807 | OFFICE PRO |
| 1529-1804 | OFFICE SOLUTIONS |
| 0263-7790 | OFFICE SYSTEMS |
| 0736-7317 | OFFICER REVIEW |
| 0030-0284 | OFFICIAL BOARD MARKETS |
| - | OFFICIAL CATHOLIC DIRECTORY |
| - | OFFICIAL GUIDE TO DENTAL SCHOOLS |
| 0274-9394 | OFFSHORE |
| 0030-0608 | OFFSHORE (PENNWELL) |
| 0954-0628 | OFFSHORE INVESTMENT |
| 0131-0097 | OGONEK |
| 0749-8284 | OHIO CPA JOURNAL |
| 0030-0934 | OHIO HISTORY |
| 0030-0950 | OHIO JOURNAL OF SCIENCE |
| 0279-3504 | OHIO MAGAZINE |
| 1063-4649 | OHIO RECORDS AND PIONEER FAMILIES |
| 1546-7619 | OHIO STATE JOURNAL OF CRIMINAL LAW |
| - | OHIO STATE JOURNAL ON DISPUTE RESOLUTION |
| 0048-1572 | OHIO STATE LAW JOURNAL |
| 0916-2313 | OHU UNIVERSITY DENTAL JOURNAL (JAPAN) |
| 0030-1299 | OIKOS |
| 0044-0205 | OIL AND ENERGY |
| 0950-1045 | OIL AND ENERGY TRENDS |
| 0953-1033 | OIL AND ENERGY TRENDS |
| 1555-4082 | OIL AND GAS FINANCIAL JOURNAL |
| 0030-1388 | OIL AND GAS JOURNAL |
| 0342-5622 | OIL GAS EUROPEAN MAGAZINE |
| 1546-9573 | OIL INDUSTRY HISTORY |
| 0208-189X | OIL SHALE |
| - | OILFIELD REVIEW |
| 0030-154X | OKAJIMAS FOLIA ANATOMICA JAPONICA |
| 1340-7414 | OKAYAMA UNIVERSITY EARTH SCIENCE REPORTS |
| 0030-1566 | OKAYAMA UNIVERSITY, MATHEMATICAL JOURNAL |
| - | OKLAHOMA ACADEMY OF SCIENCES. PROCEEDINGS |
| 0030-1655 | OKLAHOMA BAR JOURNAL |
| 0030-1736 | OKLAHOMA GEOLOGY NOTES |
| 0132-0637 | OKTYABR |
| 0364-8591 | OLD TESTAMENT ABSTRACTS |
| 1079-3941 | OLD-HOUSE INTERIORS |
| 1545-4576 | OLIGONUCLEOTIDES |
| 0094-9787 | OLYMPIAN |
| 0251-3498 | OLYMPIC REVIEW |
| 0305-0483 | OMEGA. INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE |
| 0030-2228 | OMEGA. JOURNAL OF DEATH AND DYING |
| 1536-2310 | OMICS |
| 0734-0141 | ON CAMPUS WITH WOMEN |
| 1074-8121 | ON THE HORIZON |
| 1081-3969 | ON THE INTERNET |
| 1087-6391 | ON THE MARK |
| - | ON WISCONSIN MAGAZINE |
| 0749-1549 | ON-STAGE STUDIES |
| 0950-9232 | ONCOGENE |
| 1292-3818 | ONCOLOGIE |
| 1083-7159 | ONCOLOGIST |
| 0890-9091 | ONCOLOGY |
| 1562-1774 | ONCOLOGY (KIEV) |
| 1705-2394 | ONCOLOGY EXCHANGE |
| 1046-3356 | ONCOLOGY ISSUES |
| 1792-1074 | ONCOLOGY LETTERS |
| 0190-535X | ONCOLOGY NURSING FORUM |
| 1021-335X | ONCOLOGY REPORTS |
| 0965-0407 | ONCOLOGY RESEARCH |
| 1532-8554 | ONCOLOGY SPECTRUMS |
| 0030-2465 | ONDERSTEPOORT JOURNAL OF VETERINARY RESEARCH |
| 0030-2465 | ONDERSTEPOORT JOURNAL OF VETERINARY SCIENCE |
| - | ONE: ONCOLOGY ECONOMICS |
| 1537-4246 | ONEARTH |
| 0378-584X | ONKOLOGIE |
| 0146-5422 | ONLINE |
| 1353-2642 | ONLINE AND CD ROM REVIEW |
| 1468-4527 | ONLINE INFORMATION REVIEW |
| 0030-2651 | ONS ERFDEEL |
| 0316-4055 | ONTARIO REVIEW |
| - | ONTOGENEZ (RUSSIAN JOURNAL OF DEVELOPMENTAL BIOLOGY) |
| 1055-6400 | OOPS MESSENGER (ACM) |
| 1012-1587 | OPCION-OPTION |
| 0474-6317 | OPEC ANNUAL REPORT |
| 0474-6279 | OPEC BULLETIN |
| 0277-0180 | OPEC REVIEW |
| 1072-4044 | OPEN COMPUTING |
| 0268-0513 | OPEN LEARNING |
| 0048-1939 | OPEN LETTERS |
| 1230-1612 | OPEN SYSTEMS AND INFORMATION DYNAMICS |
| 0030-3526 | OPERA |
| 0030-3607 | OPERA NEWS |
| 0736-0053 | OPERA QUARTERLY |
| 0160-5682 | OPERATIONAL RESEARCH SOCIETY. JOURNAL |
| 0030-364X | OPERATIONS RESEARCH |
| 0167-6377 | OPERATIONS RESEARCH LETTERS |
| 0361-7734 | OPERATIVE DENTISTRY |
| 1439-0590 | OPERATIVE ORTHOPADIE UND TRAUMATOLGIE |
| 0934-6694 | OPERATIVE ORTHOPAEDIE UND TRAUMATOLOGIE |
| 1085-5637 | OPERATIVE TECHNIQUES IN CARDIAC AND THORACIC SURGERY |
| 1524-153X | OPERATIVE TECHNIQUES IN GENERAL SURGERY |
| 1085-5610 | OPERATIVE TECHNIQUES IN GYNECOLOGIC SURGERY |
| 1092-440X | OPERATIVE TECHNIQUES IN NEUROSURGERY |
| 1096-2875 | OPERATIVE TECHNIQUES IN OCULOPLASTIC, ORBITAL AND RECONSTRUCTIVE SURGERY |
| 1048-6666 | OPERATIVE TECHNIQUES IN ORTHOPAEDICS |
| 1043-1810 | OPERATIVE TECHNIQUES IN OTOLARYNGOLOGY-HEAD AND NECK SURGERY |
| 1071-0949 | OPERATIVE TECHNIQUES IN PLASTIC AND RECONSTRUCTIVE SURGERY |
| 1060-1872 | OPERATIVE TECHNIQUES IN SPORT MEDICINE |
| 1060-1872 | OPERATIVE TECHNIQUES IN SPORTS MEDICINE |
| 1522-2942 | OPERATIVE TECHNIQUES IN THORACIC AND CARDIOVASCULAR SURGERY |
| 0030-3690 | OPERNWELT |
| 0149-8029 | OPFLOW |
| 0078-5326 | OPHELIA |
| 0275-5408 | OPHTHALMIC AND PHYSIOLOGICAL OPTICS |
| 0928-6586 | OPHTHALMIC EPIDEMIOLOGY |
| 1381-6810 | OPHTHALMIC GENETICS- FORMERLY OPHTHALMIC PAEDIATRICS AND GENETICS |
| 0030-3720 | OPHTHALMIC LITERATURE |
| 0744-7132 | OPHTHALMIC NURSING AND TECHNOLOGY |
| 0740-9303 | OPHTHALMIC PLASTIC AND RECONSTRUCTIVE SURGERY |
| 0030-3747 | OPHTHALMIC RESEARCH |
| 1082-3069 | OPHTHALMIC SURGERY AND LASERS |
| 1542-8877 | OPHTHALMIC SURGERY, LASERS AND IMAGING |
| 0936-2517 | OPHTHALMO CHIRURGIE |
| 0941-293X | OPHTHALMOLOGE |
| 0030-3755 | OPHTHALMOLOGICA |
| 0161-6420 | OPHTHALMOLOGY |
| 0896-1549 | OPHTHALMOLOGY CLINICS OF NORTH AMERICA |
| - | OPHTHALMOLOGY TIMES (EUROPE) |
| 0030-3887 | OPSEARCH |
| 1532-0316 | OPTHALMOLOGY MANAGEMENT |
| 0146-9592 | OPTIC LETTERS |
| 0306-8919 | OPTICAL AND QUANTUM ELECTRONICS |
| 0091-3286 | OPTICAL ENGINEERING |
| 1068-5200 | OPTICAL FIBER TECHNOLOGY |
| 1340-6000 | OPTICAL REVIEW |
| 0740-3232 | OPTICAL SOCIETY OF AMERICA. A: OPTICS, IMAGE SCIENCE AND VISION |
| 0740-3224 | OPTICAL SOCIETY OF AMERICA. B: OPTICAL PHYSICS |
| 0969-1952 | OPTICAL WORLD |
| 0030-3992 | OPTICS AND LASER TECHNOLOGY |
| 0143-8166 | OPTICS AND LASERS IN ENGINEERING |
| 1047-6938 | OPTICS AND PHOTONICS NEWS |
| 0030-400X | OPTICS AND SPECTROSCOPY |
| 0030-4018 | OPTICS COMMUNICATIONS |
| 0146-9592 | OPTICS LETTERS |
| 0030-4026 | OPTIK - INTERNATIONAL JOURNAL OF LIGHT AND ELECTRON OPTICS |
| 0143-2087 | OPTIMAL CONTROL APPLICATIONS AND METHODS |
| - | OPTIMIZATION |
| 1055-6788 | OPTIMIZATION METHODS AND SOFTWARE |
| 1537-2308 | OPTIMIZE |
| 0475-1906 | OPTIMUM. JOURNAL OF PUBLIC SECTOR MANAGEMENT |
| 0912-5434 | OPTOELECTRONICS - DEVICES AND TECHNOLOGIES |
| 0098-6917 | OPTOMETRIC EDUCATION |
| 1557-4113 | OPTOMETRY AND VISION DEVELOPMENT |
| 1040-5488 | OPTOMETRY AND VISION SCIENCE |
| 1529-1839 | OPTOMETRY. JOURNAL OF THE AMERICAN OPTOMETRIC ASSOCIATION |
| 1933-3145 | OR NURSE |
| 1085-1038 | OR-MS TODAY |
| 1042-3699 | ORAL AND MAXILLOFACIAL SURGERY CLINICS OF NORTH AMERICA |
| 1354-523X | ORAL DISEASES |
| 0030-4204 | ORAL HEALTH |
| 1602-1622 | ORAL HEALTH AND PREVENTIVE DENTISTRY |
| 0474-3253 | ORAL HISTORY ASSOCIATION. NEWSLETTER |
| 0094-0798 | ORAL HISTORY REVIEW |
| 1538-3083 | ORAL HYGIENE |
| 0902-0055 | ORAL MICROBIOLOGY AND IMMUNOLOGY |
| 1368-8375 | ORAL ONCOLOGY |
| 0911-6028 | ORAL RADIOLOGY |
| 1079-2104 | ORAL SURGERY, ORAL MEDICINE, ORAL PATHOLOGY, ORAL RADIOLOGY AND ENDODONTICS |
| 0883-5365 | ORAL TRADITION |
| 0105-7510 | ORBIS LITTERARUM |
| 0030-4387 | ORBIS: A JOURNAL OF WORLD AFFAIRS |
| 0167-6830 | ORBIT |
| 1087-1950 | ORCHIDS |
| 0167-8094 | ORDER: A JOURNAL ON THEORY OF ORDERED SETS/APPLICATIONS |
| 0169-1368 | ORE GEOLOGY REVIEWS |
| 0744-8317 | OREGON COAST MAGAZINE |
| 0030-4883 | ORGAN |
| 1477-0520 | ORGANIC AND BIOMOLECULAR CHEMISTRY |
| 1566-1199 | ORGANIC ELECTRONICS |
| 1536-108X | ORGANIC GARDENING |
| 0146-6380 | ORGANIC GEOCHEMISTRY |
| 1523-7060 | ORGANIC LETTERS |
| 0030-4948 | ORGANIC PREPARATION AND PROCEDURES |
| 1083-6160 | ORGANIC PROCESS RESEARCH AND DEVELOPMENT |
| 0078-6160 | ORGANIC REACTION |
| - | ORGANIC REACTIONS |
| 1355-7718 | ORGANISED SOUND |
| 1439-6092 | ORGANISMS, DIVERSITY AND EVOLUTION |
| - | ORGANIZACION DE LOS ESTADOS AMERICANOS. LISTA GENERAL DE LOS DOCUMENTOS OFICIALES |
| 1350-5084 | ORGANIZATION |
| 1086-0266 | ORGANIZATION AND ENVIRONMENT |
| 0089-6402 | ORGANIZATION DEVELOPMENT JOURNAL |
| 0882-228X | ORGANIZATION OF AMERICAN HISTORIANS - MAGAZINE OF HISTORY |
| 1047-7039 | ORGANIZATION SCIENCE |
| 0170-8406 | ORGANIZATION STUDIES |
| 1551-7470 | ORGANIZATIONAL ANALYSIS |
| 0749-5978 | ORGANIZATIONAL BEHAVIOR AND HUMAN DECISION PROCESSES |
| 0090-2616 | ORGANIZATIONAL DYNAMICS |
| 1094-4281 | ORGANIZATIONAL RESEARCH METHODS |
| 1547-6278 | ORGANOGENESIS |
| 0276-7333 | ORGANOMETALLICS |
| 0265-1254 | ORGANS AND TISSUES |
| 1350-9012 | ORIENT EXPRESS MAGAZINE |
| 0030-5278 | ORIENTAL ART |
| 0030-5383 | ORIENTALISTISHE LITERATURZEITUNG |
| 0030-5448 | ORIENTATIONS |
| 0093-609X | ORIGINS |
| 0169-6149 | ORIGINS OF LIFE |
| 1058-3130 | ORION |
| 1096-9144 | ORION AFIELD |
| 0030-5596 | ORITA |
| 1064-3842 | ORL-HEAD AND NECK NURSING |
| 0078-6594 | ORNITHOLOGICAL MONOGRAPHS |
| 1091-0883 | ORPHEUS GRID |
| 1742-3260 | ORTHODONTICS |
| 1397-5927 | ORTHODONTICS AND CRANIOFACIAL RESEARCH |
| 0085-4530 | ORTHOPAEDE |
| 0744-6020 | ORTHOPAEDIC NURSING |
| 1059-1516 | ORTHOPAEDIC PHYSICAL THERAPY CLINICS OF NORTH AMERICA |
| 1757-7853 | ORTHOPAEDIC SURGERY |
| 0941-2530 | ORTHOPAEDICS AND TRAUMATOLOGY |
| 0030-5898 | ORTHOPEDIC CLINICS OF NORTH AMERICA |
| 1005-8478 | ORTHOPEDIC JOURNAL OF CHINA-ZHONGGUO JIAOXINGWAIKE ZAZHI |
| 0094-6591 | ORTHOPEDIC REVIEW |
| 0147-7447 | ORTHOPEDICS |
| 0279-5647 | ORTHOPEDICS TODAY |
| 0030-591X | ORTHOPOD |
| 0030-6002 | ORVOSI HETILAP |
| 0386-4103 | OSAKA CITY MEDICAL CENTER. JOURNAL |
| 0030-6096 | OSAKA CITY MEDICAL JOURNAL |
| 0078-6640 | OSAKA CITY UNIVERSITY ECONOMIC REVIEW |
| 0475-2058 | OSAKA DENTAL UNIVERSITY. JOURNAL |
| 0030-6126 | OSAKA JOURNAL OF MATHEMATICS |
| - | OSAKA MATHEMATICAL JOURNAL |
| 0472-1381 | OSAKA UNIVERSITY LAW REVIEW |
| 0369-0369 | OSAKA UNIVERSITY. INSTITUTE OF SCIENTIFIC AND INDUSTRIAL RESEARCH. MEMOIRS |
| 0030-6169 | OSAKA UNIVERSITY. MEDICAL JOURNAL |
| 0913-4751 | OSAKA UNIVERSITY. RESEARCH INSTITUTE FOR MICROBIAL DISEASES. ANNUAL REPORTS |
| 0369-7827 | OSIRIS (WOMEN, GENDER, AND SCIENCE) |
| 1063-4584 | OSTEOARTHRITIS AND CARTILAGE |
| 1019-1291 | OSTEOLOGIE |
| 0937-941X | OSTEOPOROSIS INTERNATIONAL |
| - | OSTEOPOROSIS JOURNAL CLUB |
| 1618-971X | OSTEOSYNTHESIS AND TRAUMA CARE |
| 1016-765X | OSTERREIVHISCHE ZEITSCHRIFT FUR GESCHICHYSWISSENSCHAFTEN |
| 0030-6428 | OSTEUROPA |
| 0889-5899 | OSTOMY / WOUND MANAGEMENT |
| 0889-5899 | OSTONOMY/WOUND MANAGEMENT |
| 0893-1712 | OT WEEK |
| 0869-5687 | OTECHESTVENNAYA ISTORIYA |
| 0385-3446 | OTEMON JOURNAL OF AUSTRALIAN STUDIES |
| 0145-7675 | OTHER SIDE |
| 1539-4492 | OTJR OCCUPATION PARTICIPATION AND HEALTH |
| 1014-8221 | OTO-RHINO-LARYNGOLOGIA NOVA |
| 0030-6665 | OTOLARYNGOLOGIC CLINICS OF NORTH AMERICA |
| 0194-5998 | OTOLARYNGOLOGY - HEAD AND NECK SURGERY |
| 1531-7129 | OTOLOGY AND NEUROTOLOGY |
| 0391-7487 | OTTAGONO |
| 0030-672X | OUD-HOLLAND |
| 1083-3080 | OUR CHILDREN |
| - | OUR PC |
| 1013-7394 | OUR PLANET |
| 1062-7928 | OUT |
| - | OUT TRAVELER |
| 1535-2765 | OUTCOMES MANAGEMENT |
| 1093-1783 | OUTCOMES MANAGEMENT FOR NURSING PRACTICE |
| 0030-7025 | OUTDOOR CALIFORNIA |
| 0315-0542 | OUTDOOR CANADA |
| 1545-0716 | OUTDOOR EDUCATION AND RECREATION LAW QUARTERLY |
| 0030-7076 | OUTDOOR LIFE |
| 1044-5706 | OUTLOOK |
| 0030-7270 | OUTLOOK ON AGRICULTURE |
| 1743-1026 | OUTLOOKS ON PEST MANAGEMENT |
| 1528-8137 | OUTPATIENT SURGERY MAGAZINE |
| 1547-1438 | OUTSOURCED LOGISTICS |
| 0030-7394 | OVERDRIVE |
| 1086-0983 | OVERHAUL AND MAINTENANCE |
| 0030-7580 | OWL OF MINERVA |
| 1099-4246 | OWNER OPERATOR |
| 1074-4525 | OXFORD AMERICAN |
| 0142-6540 | OXFORD ART JOURNAL |
| 0305-9049 | OXFORD BULLETIN OF ECONOMICS AND STATISTICS |
| 1360-0818 | OXFORD DEVELOPMENT STUDIES |
| 0030-7653 | OXFORD ECONOMIC PAPERS |
| 0078-7191 | OXFORD GERMAN STUDIES |
| 0262-5253 | OXFORD JOURNAL OF ARCHAEOLOGY |
| 0143-6503 | OXFORD JOURNAL OF LEGAL STUDIES |
| 0305-1498 | OXFORD LITERARY REVIEW |
| 1089-5361 | OXFORD MAGAZINE |
| 0266-903X | OXFORD REVIEW OF ECONOMIC POLICY |
| 0305-4985 | OXFORD REVIEW OF EDUCATION |
| 0265-7651 | OXFORD STUDIES IN ANCIENT PHILOSOPHY |
| 0954-1306 | OXFORD UNIVERSITY |
| 0030-770X | OXIDATION OF METALS |
| 0300-8533 | OYO YAKURI PHARMACOMETRICS |
| 0030-7777 | OZONE DATA FOR THE WORLD/DONNEES MONDIALES SUR LÕOZONE |
| 0191-9512 | OZONE, SCIENCE AND ENGINEERING |
