| Zur Systematik | UB Regensburg |
| Italo-Romani | IS 8930 - IS 8935 |
| Itami, Jūzō | AP 51180 |
| Itelmenisch | EE 1970 |
| Iteration | SK 470 SK 910 |
| Ithaka | LF 2356 |
| Ithakē | LF 2356 |
| Iʿtimād as-Salṭana, Muḥammad Ḥasan Ibn-ʿAlī | EV 6830 - EV 6831 |
| Itinerar | FT 21700 |
| Itineraria Antonini Augusti | FX 275398 - FX 275405 |
| Iʿtiṣāmī, Parwīn | EV 6836 - EV 6837 |
| Itō, Takami | EI 6092 - EI 6093 |
| Itonama | EE 8241 |
| Iturralde, Juan | IP 4154 |
| Itzá-Sprache | EE 6186 |
| Iudicium vocalium | FH 65802 |
| Iulia, Balbilla | FH 62448 - FH 62453 |
| Iulia Maesa, Römisches Reich, Kaiserin | NH 7625 |
| Iulia Mamaea, Römisches Reich, Kaiserin | NH 7625 |
| Iulianus, Aegyptius | FK 35248 - FK 35253 |
| Iulianus, Halicarnassensis | FK 35298 - FK 35303 |
| Iulianus, Laodicensis | FH 71248 - FH 71253 |
| Iulianus, Toletanus | FY 31598 - FY 31603 |
| Iulius Valerius, Alexander Polemius | FX 273698 - FX 273905 |
| Iulius Victor, Gaius | FX 291298 - FX 291305 |
| Iuncus, Philosophus | FH 61148 - FH 61153 |
| Iuppiter Confutatus | FH 65803 |
| Iuppiter Tragoedus | FH 65804 |
| Iustinus, Lippiensis | FY 31648 - FY 31653 |
| Iustinus, Marcus Iunianus | FX 275498 - FX 276555 NH 4050 - NH 4053 |
| Iuvenalis, Decimus Iunius | FX 228098 - FX 228155 NH 4060 - NH 4063 |
| Iuvencus, Gaius Vettius Aquilinus | FX 283498 - FX 283505 |
| Iuventius, Comicus | FX 119698 - FX 119705 |
| Ivančan, Dubravko | KW 8155 - KW 8156 |
| Ivanenko, Oksana D. | KL 8301 - KL 8302 |
| Ivanišević, Drago | KW 5423 - KW 5424 |
| Ivanišević, Ivan | KW 2800 - KW 2801 |
| Ivanji, Ivan | KW 8160 - KW 8161 |
| Ivanov, Anatolij Stepanovič | KK 4775 - KK 4776 |
| Ivanov, Blagoja | KZ 8293 - KZ 8294 |
| Ivanov, Georgij Vladimirovič | KK 4781 - KK 4782 |
| Ivanov, Mitko | KZ 2373 - KZ 2374 |
| Ivanov, Vjačeslav I. | KI 4070 - KI 4076 |
| Ivanov, Vsevolod | KK 4790 - KK 4795 |
| Ivanović, Aleksandar | KW 8170 - KW 8171 |
| Ivanovski, Srbo | KZ 8400 - KZ 8401 |
| Ivo, Lêdo | IQ 91010 - IQ 91011 |
| Ivo, Pedro | IR 6830 - IR 6831 |
| Iwan IV., Russland, Zar | KF 1777 KH 4150 - KH 4151 |
| Iwaniuk, Wacław | KP 2971 - KP 2972 |
| Iwanowo (Russland) | LO 76385 |
| Iwańska, Alicja | KP 7673 - KP 7674 |
| Iwasawa, Kenkichi | SF 4460 |
| Iwaszkiewicz, Jarosław | KP 2980 - KP 2985 |
| Ixil | EE 5881 |
| Izaguirre, Carlos | IQ 26400 - IQ 26401 |
| Izarsʹkyj, Oleksa | KL 8320 - KL 8321 |
| Izbornik Svjatoslava (1073) | KH 4160 - KH 4161 |
| Izcaray, Jesús | IP 4157 |
| Izmajlov, Vladimir Vasil'evič | KH 6670 - KH 6671 |
| Izmir | LF 3740 |
| Iznik | LF 2825 |
| Izoard, Jacques | IH 51880 - IH 51881 |
| Jabès, Edmond | IH 51920 - IH 51921 |
| Jablonský, Boleslav | KS 4970 - KS 4971 |
| Jacalteco-Sprache | EE 5889 |
| Jaccard, Roland | IH 51960 - IH 51961 |
| Jaccottet, Philippe | IH 52000 - IH 52001 |
| Jachimowicz, Marian | KP 7563 - KP 7564 |
| Jachowicz, Stanisław | KO 8080 - KO 8081 |
| Jackiv, Mychajlo Jurijovyč | KL 6000 - KL 6001 |
| Jackson, Helen Hunt | HT 5770 - HT 5775 |
| Jackson, Shirley | HU 3966 - HU 3967 |
| Jackson-Anfall | YG 6100 - YG 6199 |
| Jackson-Methode | ST 230 |
| Jacob, Barbireau | LP 22696 LU 22696 |
| Jacob, Elisabeth | GN 3646 - GN 3647 |
| Jacob, Heinrich Eduard | GM 3896 - GM 3897 |
| Jacob, Mathilde | NY 9095 |
| Jacobbi, Ruggero | IV 30720 - IV 30721 |
| Jacobi, Friedrich Heinrich | CF 4900 - CF 4917 GI 5380 - GI 5383 |
| Jacobi, Johann Georg | GI 5385 - GI 5388 |
| Jacobi-Polynome | SK 680 |
| Jacobowski, Ludwig | GM 3901 - GM 3904 |
| Jacobs, Harriet A. | HT 5800 - HT 5801 |
| Jacobs, William W. | HM 3120 - HM 3125 |
| Jacobus, Bulgariae | FK 29698 - FK 29703 |
| Jacobus, Coccinobaphus | FK 29798 - FK 29803 |
| Jacobus, de Hattem | FY 30298 - FY 30303 |
| Jacobus, de Misa | KS 2665 - KS 2666 |
| Jacoby, Johann | NP 2471 |
| Jacoby, Leopold | GL 5807 - GL 5810 |
| Jacopo, della Quercia | LI 44160 |
| Jacquemard, Simonne | IH 52080 - IH 52081 |
| Jacquemart, Nicolas-François | IG 2283 |
| Jäckh, Ernst | NP 4592 |
| Jaeckle, Erwin | GN 6691 - GN 6692 |
| Jaeger, Henry | GN 6705 - GN 6706 |
| Jägersprache | GD 8775 HF 135 HF 633 |
| Jaeggi, Urs | GN 6709 - GN 6710 |
| © Universitätsbibliothek Regensburg, realisiert von Sepp Kuffer |