| Zur Systematik | UB Regensburg |
| Radiologische Diagnostik | YR 2200 - YR 2299 XH 2900 - XH 2999 YR 2200 - YR 2799 |
| Radiolumineszenz | UH 5820 |
| Radionuklid | WK 2000 |
| Radiopharmakon | VS 9400 - VS 9409 |
| Radioteleskop | US 1640 |
| Radiščev, Aleksandr Nikolaevič | KH 7330 - KH 7336 |
| Radius, Emilio | IV 42080 - IV 42081 |
| Radoev, Ivan | KZ 3190 - KZ 3191 |
| Radon-Maß | SK 430 |
| Radon-Transformation | UH 5420 |
| Radović, Borislav | KW 9190 - KW 9191 |
| Radović, Dušan | KW 9200 - KW 9201 |
| Radpolo | ZY 8960 - ZY 8969 |
| Radrennsport | ZY 8900 - ZY 8909 |
| Radtourenfahren | ZY 8980 - ZY 8989 |
| Rădulescu-Motru, Constantin | IX 6230 - IX 6231 |
| Radulfus, Bellovacensis | FY 39308 - FY 39313 |
| Radulfus, Leodiensis | FY 39298 - FY 39303 |
| Radvanas, Jonas | EZ 4930 - EZ 4931 |
| Radwandern | ZY 8980 - ZY 8989 |
| Radweg | ZI 6656 ZO 4100 |
| Radyserb-Wjela, Jan | KQ 6360 - KQ 6365 |
| Radyvylovʹskyj, Antonij | KL 6710 - KL 6711 |
| Radzevičius, Bronius | EZ 4940 - EZ 4941 |
| Radziwiłł, Elisa | NP 2172 |
| Radziwiłłowa, Franciszka Urszula | KO 5090 - KO 5091 |
| Raeber, Kuno | GN 8039 - GN 8040 |
| Raeder, Erich | NQ 1981 |
| Raetz, Markus | LI 70080 |
| Raevskij, Vladimir F. | KH 7340 - KH 7345 |
| Raffalt, Reinhard | GN 8049 - GN 8050 |
| Rafflesiengewächse | WL 8080 |
| Rafting | ZY 6650 - ZY 6659 |
| Ragazzoni, Ernesto | IV 42160 - IV 42161 |
| Rāġib al-Iṣfahānī, al-Ḥusain Ibn-Muḥammad ar- | EN 3228 - EN 3229 |
| Ragimboldus, Coloniensis | FY 39348 - FY 39353 |
| Ragon, Michel | IH 75000 - IH 75001 |
| Ragusa-Moleti, Girolamo | IV 2398 |
| Rahewinus, Frisingensis | FY 39398 - FY 39403 |
| Rahmapfelgewächse | WL 8040 |
| Rahmenbrücke | ZI 6663 |
| Rahmentragwerk | ZI 3350 |
| Raičković, Stevan | KW 9211 - KW 9212 |
| Raiffeisen, Friedrich Wilhelm | NW 5390 |
| RailCab | ZO 5479 |
| Raimon | IL 9846 |
| Raimondi, Giuseppe | IV 42200 - IV 42201 |
| Raimund, Ferdinand | GL 7676 - GL 7679 |
| Raine, Craig | HN 7274 - HN 7275 |
| Raine, Kathleen | HN 7280 - HN 7285 |
| Rainer, Roland | LI 70265 |
| Rainis, Jānis | EZ 8900 - EZ 8901 |
| Rais, Karel Václav | KS 6530 - KS 6535 |
| Raja Rao | HQ 6840 - HQ 6841 |
| Rajberti, Giovanni | IV 2401 |
| Rajčev, Georgi | KY 8500 - KY 8505 |
| Rajemisa-Raolison, Régis | IJ 95464 - IJ 95465 |
| Rajić, Jovan | KW 3495 - KW 3496 |
| Rajić, Velimir J. | KW 6390 - KW 6391 |
| Rajnov, Bogomil N. | KY 8533 - KY 8534 |
| Rajnov, Nikolaj I. | KY 8541 - KY 8542 |
| Rak, Jan | KU 9733 - KU 9734 |
| Rakete | ZO 8050 ZO 8100 |
| Raketenflugzeug | ZO 7430 |
| Raketentriebwerk | ZO 8150 |
| Rakič, Milan | KW 6400 - KW 6405 |
| Rakous, Vojtěch | KS 6540 - KS 6541 |
| Rakovski, Georgi Stojkov | KY 8570 - KY 8575 |
| Rakovski, Vătʹo | KZ 3210 - KZ 3211 |
| Raleigh, Walter | HI 3190 - HI 3195 |
| Ralin, Radoj | KZ 3230 - KZ 3231 |
| Ralph, James | HS 4900 - HS 4905 |
| RAM | ZN 4940 |
| Rama-Sprache <Nicaragua> | EE 6233 |
| Rama, Ángel | IQ 84920 - IQ 84921 |
| Ramadan | LB 59000 - LB 59730 |
| Rāmakṛṣṇa, Sohn des Devajī | CI 8840 - CI 8844 |
| Raman-Effekt | UH 5715 |
| Raman-Spektroskopie | VG 9300 - VG 9309 UP 9200 UM 3300 |
| Raman-Spektrum | UM 3300 |
| Ramanujan, A. K. | HQ 6810 - HQ 6811 |
| Ramat, Silvio | IV 42240 - IV 42241 |
| Rame, Franca | IV 42260 - IV 42261 |
| Ramírez, José A. | IP 7250 |
| Ramis i Ramis, Joan | IL 9847 |
| Ramler, Karl Wilhelm | GI 7601 - GI 7604 |
| Rammstedt, Tilman | GO 66665 - GO 66666 |
| Ramond, Louis-François | IG 2515 |
| Ramos, Graciliano | IQ 92760 - IQ 92761 |
| Ramos, José Antonio | IQ 03600 - IQ 03601 |
| Ramos, Samuel | IQ 17560 - IQ 17561 |
| Ramos, Sidroc | IQ 03610 |
| Rampe | ZH 7800 |
| Ramperti, Marco | IV 42280 - IV 42281 |
| Ramponi, Jorge Enrique | IQ 74390 - IQ 74391 |
| Ramsar-Konvention (1971 Februar 02) | AR 13390 |
| Ramsey-Theorie | SK 170 |
| Ramsey, Frank Plumpton | CI 6568 - CI 6569 |
| © Universitätsbibliothek Regensburg, realisiert von Sepp Kuffer |