| Zur Systematik | UB Regensburg |
| Clément, René | AP 51083 |
| Clemente, Vittorio | IV 20640 - IV 20641 |
| Clementis, Vladimír | KU 4895 - KU 4896 |
| Clemo, Jack R. | HN 2800 - HN 2805 |
| Cleobulus, Lindius | FH 21128 - FH 21133 NH 5650 |
| Cleomedes | FH 65048 - FH 65053 |
| Cleomenes III., Lacedaemonia, Rex | NH 6775 |
| Cleon, Curiensis | FH 30198 - FH 30203 |
| Cleonides | FH 63048 - FH 63053 |
| Cleostratus, Tenedius | FH 23248 - FH 23253 |
| Clercq, Willem de | GU 53850 - GU 53851 |
| Clerici, Gianni | IV 20680 - IV 20681 |
| Cleveland, John | HK 1720 - HK 1721 |
| Clidemus, Atheniensis | FH 34298 - FH 34303 |
| Cliff, William | IH 28740 - IH 28741 |
| Clinias, Tarentinus | FH 34048 - FH 34053 |
| Clique | MS 3300 |
| Clitarchus, Alexandrinus | FH 35348 - FH 35353 NH 6450 |
| Clitarchus, Gnomologus | FH 50698 - FH 50703 |
| Clitomachus, Carthaginiensis | FH 48248 - FH 48253 |
| Clitopho | FH 28659 |
| Clitophon, Rhodius | FH 50298 - FH 50303 |
| Clive, Robert | NN 7500 |
| Clodia | NH 7260 |
| Clodius Albinus, Römisches Reich, Kaiser, Gegenkaiser | NH 7625 |
| Clodius Pulcher, Publius | NH 7260 |
| Cloete, Stuart | HN 2810 - HN 2815 |
| Cloetta, Gian Gianett | IW 9641 - IW 9642 |
| Cloots, Jean-Baptiste | NO 3334 |
| Clostridium | XD 6000 - XD 6099 |
| Clot, René-Jean | IH 28800 - IH 28801 |
| Clotis, Josette | IH 28840 - IH 28841 |
| Clough, Arthur Hugh | HL 2420 - HL 2425 |
| Clown | AP 79500 |
| Cluniazenser | BM 3130 |
| Cluny, Claude Michel | IH 29000 - IH 29001 |
| Cluster-Analyse | QH 234 SK 840 |
| Clusterion | VE 8100 - VE 8109 |
| Clustermodell | UN 1540 |
| Clytus, Milesius | FH 37298 - FH 37303 |
| CNC-Maschine | QP 225 ZL 6300 |
| Cnidosporidia | WP 1800 |
| Coaching | DL 4240 - DL 4249 ZX 7170 - ZX 7179 ZX 8500 - ZX 8509 |
| Coaracy, Vivaldo | IQ 89865 - IQ 89866 |
| Cobb, Irvin S. | HU 3360 - HU 3365 |
| Cobden, Richard | NW 5247 |
| Cobenzl, Philipp von | NN 6538 |
| Cobo Borda, J. G. | IQ 31250 - IQ 31251 |
| Cocama | EE 7823 |
| Cocastrauchgewächse | WL 8585 |
| Còccioli, Carlo | IV 20720 - IV 20721 |
| Coccolithophoridae | WL 2310 |
| Cochimi | EE 5688 |
| Cochlea | YN 3600 - YN 3699 |
| Cockney | HF 543 |
| Coclico, Adrien Petit | LP 22930 LU 22930 |
| Cocoliche | IS 8950 - IS 8955 |
| Coconuco | EE 7824 |
| Cocopa-Sprache | EE 5696 |
| Cocteau, Jean | IH 29040 - IH 29041 |
| Codèmo, Luigia | IV 2087 |
| Codex | ND 3800 |
| Codex Assemanianus | KE 1960 - KE 1961 |
| Codex Marianus | KE 1955 - KE 1956 |
| Codex Suprasliensis | KE 2000 - KE 2001 |
| Codex Theodosianus | FX 403998 - FX 404305 |
| Codex Zographensis | KE 1950 - KE 1951 |
| Codiaceae | WL 3030 |
| Codierung | SK 170 ZN 6080 |
| Coëffeteau, Nicolas | IF 7089 |
| Coelestinus II., Antipapa, Papa | NV 2589 |
| Coelho, Eduardo Prado | IQ 92670 - IQ 92671 |
| Coelho, Paulo | IQ 89875 - IQ 89876 |
| Coelius Antipater, Lucius | FX 123598 - FX 123605 |
| Coen, Ethan | AP 51085 |
| Coen, Joel | AP 51085 |
| Coenen, Frans | GU 63960 - GU 63963 |
| Coetzee, J. M. | HP 3340 - HP 3341 |
| Coevolution | WH 3400 |
| Cofiño López, Manuel | IQ 01688 |
| Cohen, Hermann | CG 2300 - CG 2317 |
| Cohen, Marcel | IH 29120 - IH 29121 |
| Coimbra | IR 2650 |
| Cola, Rienzo | NN 1633 |
| Čolaković, Rodoljub | KW 4721 - KW 4722 |
| Čolanović, Voja | KW 7703 - KW 7704 |
| Cole, George D. H. | NB 6436 |
| Coleopteroidea | WQ 4395 |
| Coleridge, Hartley | HL 2450 - HL 2455 |
| Coleridge, Mary E. | HL 2458 - HL 2459 |
| Coleridge, Samuel Taylor | HL 2460 - HL 2465 |
| Colet, Louise | IG 5825 |
| Colette | IH 29160 - IH 29161 |
| Colin, Muset | IE 5285 |
| Colin, Philipp | GF 6979 |
| Colinas, Antonio | IP 3508 |
| Collatio Alexandri et Dindimi | FX 274598 - FX 274605 |
| Collatio cum Maximino Arianorum episcopo | FX 341498 - FX 341505 |
| Collazio, Pietro Apollonio | FZ 23700 - FZ 23705 |
| © Universitätsbibliothek Regensburg, realisiert von Sepp Kuffer |