| Ohio Collaborative Conference on Bioinformatics, OCCBIO | IEL Online | IEEE | Bioengineering | 2009 |  | 
          
                                                                                        | Ohio History | Project Muse | The Kent State University Press | History | 2007 | Current | 
          
                                                                                        | Ohio Mycological Bulletin | JSTOR | Taylor & Francis, Ltd. | Biological Sciences ; Botany & Plant Sciences ; Science & Mathematics | 1903 | 1903 | 
          
                                                                                        | Ohio Valley History | Project Muse | The Filson Historical Society and Cincinnati Museum Center | History | 2001 | Current | 
          
                                                                                        | Oikos | Wiley Journals | Nordic Society OIKOS | Ecology, Evolution, Behavior and Systematics | 2000 | Current | 
          
                                                                                        | Oikos | JSTOR | Wiley | Biological Sciences ; Ecology & Evolutionary Biology ; Science & Mathematics ; Zoology | 1949 | Current ( With 8 year embargo) | 
          
                                                                                        | Oil And Energy Trends | Wiley Journals | Wiley | Economics and Econometrics | 2005 | Current | 
          
                                                                                        | Oil And Energy Trends: Annual Statistical Review | Wiley Journals | Wiley | Energy (miscellaneous) | 2012 | Current | 
          
                                                                                        | Old Testament Abstracts | Project Muse | The Catholic University of America Press | Religion; Biblical Studies | 2017-02 | Current | 
          
                                                                                        | Olifant | JSTOR | Société Rencesvals, American-Canadian Branch | Humanities ; Language & Literature | 1973 | 2012 | 
          
                                                                                        | Omega | Elsevier ScienceDirect Journals | Pergamon | Information Systems and Management; Management Science and Operations Research; Strategy and Management | 1995 | Current | 
          
                                                                                        | OMEGA - Journal of Death and Dying | Sage Publishing Journals | Sage Publishing | Life-span and Life-course Studies; Critical Care and Intensive Care Medicine; Health(social science) | 1997 | current | 
          
                                                                                        | On Paper | JSTOR | Art in Print Review | Art & Art History ; Arts | 1996 | 1998 | 
          
                                                                                        | On Point | JSTOR | Army Historical Foundation | History ; Military Studies ; Peace & Conflict Studies ; Security Studies ; Social Sciences | 1995 | 2018 | 
          
                                                                                        | On the Horizon | Emerald Publishing Journals | Emerald Publishing | Education | 2000 | current | 
          
                                                                                        | Oncogene | Springer Nature Journals | Springer Nature | Cancer Research; Genetics; Molecular Biology | 1997 | current | 
          
                                                                                        | Oncology Times | Lippincott Williams & Wilkins (Wolters Kluwer) Journals | Lippincott Williams & Wilkins (Wolters Kluwer) | Oncology | 2001 | Current | 
          
                                                                                        | One Earth | Elsevier ScienceDirect Journals | Elsevier | Earth and Planetary Sciences (miscellaneous); General Environmental Science | 2019 | Current | 
          
                                                                                        | Online Information Review | Emerald Publishing Journals | Emerald Publishing | Library and Information Sciences; Information Systems; Computer Science Applications | 2000 | current | 
          
                                                                                        | Online Social Networks and Media | Elsevier ScienceDirect Journals | Elsevier | Computer Networks and Communications; Communication; Information Systems | 2017 | Current |