| OAH Magazine of History | JSTOR | Oxford University Press | American Studies ; Area Studies ; History | 1985 | 2013 | 
          
                                                                                        | Obere Extremität | Springer Nature Journals | Springer Nature | Orthopedics and Sports Medicine; Surgery | 2006 | current | 
          
                                                                                        | Obesity | Wiley Journals | The Obesity Society | Nutrition and Dietetics; Endocrinology; Endocrinology, Diabetes and Metabolism; Medicine (miscellaneous) | 1997 | Current | 
          
                                                                                        | Obesity Medicine | Elsevier ScienceDirect Journals | Elsevier | Public Health, Environmental and Occupational Health; Endocrinology, Diabetes and Metabolism; Internal Medicine | 2016 | Current | 
          
                                                                                        | Obesity Research & Clinical Practice | Elsevier ScienceDirect Journals | Elsevier | Nutrition and Dietetics; Endocrinology, Diabetes and Metabolism | 2007 | Current | 
          
                                                                                        | Obesity Reviews | Wiley Journals | World Obesity | Public Health, Environmental and Occupational Health; Endocrinology, Diabetes and Metabolism | 2000 | Current | 
          
                                                                                        | Obesity Surgery | Springer Nature Journals | Springer Nature | Nutrition and Dietetics; Endocrinology, Diabetes and Metabolism; Surgery | 1997 | current | 
          
                                                                                        | Obituary Notices of Fellows of the Royal Society | JSTOR | Royal Society | History ; History of Science & Technology | 1932 | 1954 | 
          
                                                                                        | Obsidian | JSTOR | Board of Trustees of Illinois State University | African American Studies ; African Studies ; Area Studies ; Humanities ; Language & Literature | 2006 | Current ( With 4 year embargo) | 
          
                                                                                        | Obsidian (1975-1982) | JSTOR | Board of Trustees of Illinois State University | African American Studies ; African Studies ; Area Studies ; Humanities ; Language & Literature | 1975 | 1982 | 
          
                                                                                        | Obsidian II | JSTOR | Board of Trustees of Illinois State University | African American Studies ; African Studies ; Area Studies ; Humanities ; Language & Literature | 1986 | 1998 | 
          
                                                                                        | Obsidian III | JSTOR | Board of Trustees of Illinois State University | African American Studies ; African Studies ; Area Studies ; Humanities ; Language & Literature | 1999 | 2005 | 
          
                                                                                        | Obstetric Anesthesia Digest | Lippincott Williams & Wilkins (Wolters Kluwer) Journals | Lippincott Williams & Wilkins (Wolters Kluwer) | Anesthesiology and Pain Medicine; Obstetrics and Gynaecology | 1997 | Current | 
          
                                                                                        | Obstetric Medicine | Sage Publishing Journals | Sage Publishing | General Medicine; Obstetrics and Gynaecology; Reproductive Medicine | 2008 | current | 
          
                                                                                        | Obstetrical & Gynecological Survey | Lippincott Williams & Wilkins (Wolters Kluwer) Journals | Lippincott Williams & Wilkins (Wolters Kluwer) | Obstetrics and Gynaecology | 1997 | Current | 
          
                                                                                        | Obstetrics & Gynecology | Lippincott Williams & Wilkins (Wolters Kluwer) Journals | Lippincott Williams & Wilkins (Wolters Kluwer) | Obstetrics and Gynaecology | 1997 | Current | 
          
                                                                                        | Obstetrics, Gynaecology & Reproductive Medicine | Elsevier ScienceDirect Journals | Churchill Livingstone | Obstetrics and Gynaecology; Reproductive Medicine | 2007 | Current | 
          
                                                                                        | Occasional Paper (Garden History Society) | JSTOR | The Gardens Trust | Architecture & Architectural History ; Art & Art History ; Arts ; Garden & Landscape | 1969 | 1970 | 
          
                                                                                        | Occasional Papers of the Farlow Herbarium of Cryptogamic Botany | JSTOR | Harvard University Herbaria | Botany & Plant Sciences ; Science & Mathematics | 1969 | 1987 | 
          
                                                                                        | Occasional Papers on Korea | JSTOR | Duke University Press | Area Studies ; Asian Studies | 1974 | 1977 |