|  | 
| Radioaktivität  | UN 1900 	  
UT 6600 	  
WD 2500 	  
ZI 4095 	  
 | 
| Radioastronomie  | US 1640 	  
 | 
| Radiochemie  | VE 8300 - VE 8309 	  
 | 
| Radiochemische Analyse  | VG 7000 - VG 7009 	  
 | 
| Radiochromatographie  | ZM 3700 	  
 | 
| Radiogalaxie  | US 3420 	  
 | 
| Radiographie  | ZM 3700 	  
 | 
| Radioimmunassay  | YV 4500 - YV 4599 	  
 | 
| Radiologie  | YR 1700 - YR 1799 	  
YR 2000 - YR 2099 	  
YR 2500 	  
YR 4100 - YR 4899 	  
YR 4200 - YR 4899 	  
YR 4300 - YR 4399 	  
YR 4400 - YR 4499 	  
YR 4500 - YR 4799 	  
YR 4600 - YR 4699 	  
YR 4700 - YR 4799 	  
YR 4800 - YR 4899 	  
YR 4900 - YR 5186 	  
YR 5000 - YR 5099 	  
YR 5100 - YR 5186 	  
YR 5500 - YR 5599 	  
YR 5600 - YR 5699 	  
YR 5700 - YR 5799 	  
YR 6000 - YR 7299 	  
YR 6100 - YR 6699 	  
YR 6200 - YR 6299 	  
YR 6300 - YR 6599 	  
YR 6400 - YR 6499 	  
YR 6500 - YR 6599 	  
YR 6600 - YR 6699 	  
YR 6700 - YR 6799 	  
YR 6800 - YR 6899 	  
YR 6900 - YR 6999 	  
YR 7000 - YR 7099 	  
YR 7100 - YR 7199 	  
YR 7200 - YR 7299 	  
YR 7300 - YR 7599 	  
YR 7400 - YR 7499 	  
YR 7500 - YR 7599 	  
YR 7800 - YR 8299 	  
YR 7900 - YR 7999 	  
YR 8000 - YR 8099 	  
YR 8100 - YR 8199 	  
YR 8200 - YR 8299 	  
YR 8300 - YR 8599 	  
YR 8400 - YR 8499 	  
YR 8500 - YR 8599 	  
YR 8600 - YR 8999 	  
YR 8700 - YR 8799 	  
YR 8800 - YR 8899 	  
YR 8900 - YR 8999 	  
YR 9000 - YR 9099 	  
 | 
| Radiologische Diagnostik  | 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 	  
 | 
| Radsport  | ZY 8900 - ZY 8909 	  
ZY 8960 - ZY 8969 	  
 | 
| 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 	  
 | 
| Rädergetriebe  | ZL 4130 	  
 | 
| Rädertiere  | WP 6200 	  
 | 
| Rätebewegung  | MC 8060 	  
 | 
| Rätesystem  | ME 5300 	  
QD 120 	  
 | 
| Rätoromanen  | IW 4030 	  
 | 
| Rätoromanisch  | AH 24800 - AH 24868 	  
IW 4000 	  
IW 4010 	  
IW 4061 	  
IW 4100 	  
IW 4155 	  
IW 4157 	  
IW 4160 	  
IW 4200 	  
IW 4250 	  
IW 4300 	  
IW 4320 	  
IW 4340 	  
IW 4345 	  
IW 4350 	  
IW 4360 	  
IW 4380 	  
IW 4400 	  
IW 4410 	  
IW 4620 	  
IW 4700 	  
IW 4780 	  
IW 4790 	  
IW 4800 	  
IW 4850 	  
IW 4900 	  
IW 4950 	  
IW 5000 	  
IW 5200 	  
IW 6000 	  
IW 6400 	  
IW 6460 	  
IW 6480 	  
IW 6500 	  
IW 6600 	  
IW 6640 	  
IW 6680 	  
IW 6740 	  
IW 6750 	  
IW 6780 	  
IW 6785 	  
IW 6795 	  
 | 
| Rätoromanischunterricht  | IW 4172 	  
IW 4174 	  
IW 4176 	  
IW 4178 	  
IW 4179 	  
IW 4180 	  
IW 4182 	  
IW 4184 	  
IW 4186 	  
IW 4188 	  
IW 4190 	  
 | 
| Rätsel  | EC 7340 	  
ED 4340 	  
EK 4070 	  
FU 3100 	  
KF 1125 	  
KF 1390 	  
KF 1395 	  
KF 1472 	  
KF 1642 	  
KF 2108 	  
KF 2117 	  
KF 2206 	  
KF 2391 	  
KF 2695 	  
KF 2703 	  
KF 2796 	  
KF 2936 	  
KF 3236 	  
KF 3244 	  
KF 3315 	  
KF 3497 	  
KF 3805 	  
KF 3813 	  
KF 4089 	  
KF 4184 	  
KF 4382 	  
KF 4645 	  
KF 4653 	  
KF 4887 	  
KF 5185 	  
KF 5193 	  
KF 5436 	  
KF 5685 	  
KF 5693 	  
KF 5986 	  
KF 6275 	  
KF 6283 	  
KF 6622 	  
KF 7090 	  
KF 7098 	  
KF 7396 	  
KF 8042 	  
KF 8350 	  
KF 8358 	  
KF 8475 	  
LC 74000 - LC 74730 	  
 | 
| Raetz, Markus  | LI 70080 	  
 | 
| Räuberroman  | EC 6835 	  
ED 3835 	  
 | 
| Räumen  | ZM 8325 	  
 | 
| Räumliche Statistik  | MR 2100 	  
 | 
| Räumliches Sehen  | WW 1900 - WW 1939 	  
 | 
| Räummaschine  | ZL 6120 	  
 | 
| Räumwerkzeug  | ZM 8325 	  
 | 
| 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, Ángel  | IQ 84920 - IQ 84921 	  
 | 
| Ramadan  | LB 59000 - LB 59730 	  
 |