| ISSN | First
Year | Last
Year | First
Volume | Last
Volume | #Issues | #Records
Online |
| Idealistic Studies | 0046-8541 | 1971 | 2011 | 1 | 41 | 134 | 1391 |
| Ideas y Valores | 0019-140X | 1951 | 2011 | 1 | 60 | 118 | 1226 |
| Idee | 0394-3054 | 1986 | 2009 | 1 | 70 | 49 | 667 |
| Il Pensiero: Rivista di Filosofia | 1824-4971 | 2005 | 2011 | 1 | 26 | 6 | 107 |
| Indian Philosophical Quarterly | 0376-415X | 1973 | 2004 | 1 | 31 | 116 | 1087 |
| Indo-Pacific Journal of Phenomenology | 2079-7222 | 2002 | 2012 | 1 | 4 | 9 | 90 |
| Información Filosófica | 1824-7121 | 2006 | 2010 | 2 | 14 | 12 | 115 |
| Informal Logic | 0824-2577 | 1999 | 2012 | 19 | 32 | 8 | 119 |
| Inquietude | 2177-4838 | 2010 | 2012 | 1 | 3 | 5 | 55 |
| Inquiry | 0020-174X | 1958 | 2011 | 1 | 54 | 152 | 1824 |
| Inquiry: Critical Thinking Across the Disciplines | 1093-1082 | 1994 | 2005 | 14 | 24 | 42 | |
| Inquiry: Critical Thinking Across the Disciplines | 1093-1082 | 1988 | 2012 | 1 | 27 | 97 | 1163 |
| International Corporate Responsibility Series | 1935-1178 | 2005 | 2009 | 2 | 4 | 3 | 66 |
| International Journal for Philosophy of Religion | | 1970 | 2011 | 1 | 70 | 208 | 2032 |
| International Journal for the Philosophy of Religion | 0020-7047 | 1970 | 2011 | 1 | 70 | 204 | 1376 |
| International Journal for the Study of Skepticism | | 2011 | 2012 | 1 | 2 | 4 | 29 |
| International Journal of Applied Philosophy | 0739-098X | 1982 | 2012 | 1 | 26 | 59 | 591 |
| International Journal of Ethics | 0014-1704 | 1891 | 1938 | 1 | 48 | 238 | 6716 |
| International Journal of Ethics | 1535-4776 | 2004 | 2011 | 4 | 7 | 10 | 60 |
| International Journal of Feminist Approaches to Bioethics | 1937-4585 | 2008 | 2011 | 1 | 4 | 5 | 75 |
| International Journal of Philosophical Studies | 0967-2559 | 1993 | 2011 | 1 | 19 | 59 | 839 |
| International Journal of Transpersonal Studies | 1321-0122 | 1998 | 2010 | 17 | 29 | 14 | 230 |
| International Journal of Žižek Studies | 1751-8229 | 2007 | 2012 | 1 | 6 | 27 | 309 |
| International Logic Review | 0048-6779 | 1970 | 1987 | 1 | 35 | 62 | 672 |
| International Philosophical Quarterly | 0019-0365 | 1961 | 2012 | 1 | 52 | 210 | 3104 |
| International Review of Information Ethics | 1614-1687 | 2004 | 2012 | 1 | 17 | 17 | 213 |
| International Studies in Philosophy | 0270-5664 | 1974 | 2008 | 6 | 40 | 100 | 3120 |
| International Studies in Philosophy Monograph Series | 2154-5456 | 2005 | 2009 | 1 | 1 | 5 | 79 |
| International Studies in the Philosophy of Science | 0269-8595 | 1986 | 2012 | 1 | 26 | 70 | 612 |
| Internationales Jahrbuch für Hermeneutik | 1919-7569 | 2009 | 2009 | 1 | 1 | 1 | 130 |
| Interpretation | 0020-9635 | 1970 | 2011 | 1 | 38 | 104 | 755 |
| Intertexts | 1092-0625 | 2010 | 2010 | 1 | 14 | 3 | 33 |
| Investigaciones Fenomenológicas | 1137-2400 | 1995 | 2011 | 1 | 8 | 8 | 167 |
| IRB: Ethics & Human Research | 0193-7758 | 2007 | 2012 | 29 | 34 | 34 | 110 |
| Iride | 1122-7893 | 1997 | 1997 | 1 | 1 | 3 | 700 |
| Irish Philosophical Journal | 0266-9080 | 1984 | 1990 | 1 | 7 | 11 | 83 |
| Isegoría | 1130-2097 | 1990 | 2012 | 1 | 45 | 55 | 1028 |
| Isonomía | 1405-0218 | 1994 | 2008 | 1 | 29 | 29 | 329 |
| Iyyun: The Jerusalem Philosophical Quarterly | 0021-3306 | 2006 | 2012 | 55 | 61 | 6 | 40 |