|  | 
| Xuanzang  | CI 9260 - CI 9264 	  
 | 
| Xylem  | WM 3550 	  
 | 
| Xyridaceae  | WL 9650 	  
 | 
| Yaʿaḳov Yosef, mi-Polnoʾeh  | BD 5336 - BD 5337 	  
 | 
| Yabarana  | EE 9211 	  
 | 
| Yahgan  | EE 9266 	  
 | 
| Yahya Bey, Taşlıcalı  | EH 4980 - EH 4983 	  
 | 
| Yakoma  | EP 19770 - EP 19773 	  
 | 
| Yaku  | EP 15645 - EP 15648 	  
 | 
| Yala  | EP 19775 - EP 19778 	  
 | 
| Yamada, Yōji  | AP 51394 	  
 | 
| Yamassee  | EE 4631 	  
 | 
| Yambasa  | EP 19780 - EP 19783 	  
 | 
| Yambo  | IV 50680 - IV 50681 	  
 | 
| Yambo, Mauri  | HP 9940 - HP 9941 	  
 | 
| Yana  | EE 4641 	  
 | 
| Yana-Sprache  | EE 4611 	  
 | 
| Yang-Mills-Theorie  | UO 5730 	  
 | 
| Yanomam-Sprachen  | EE 9271 	  
 | 
| Yans  | EP 19790 - EP 19793 	  
 | 
| Yao  | EP 19795 - EP 19798 	  
 | 
| Yao-Sprache <Miao-Yao-Sprache>  | EG 8800 - EG 8860 	  
 | 
| Yaqui  | EE 6526 	  
 | 
| Yaruro  | EE 9296 	  
 | 
| Yarza, Pálmenes  | IQ 33880 - IQ 33881 	  
 | 
| Yasuda, Yojūrō  | EI 5952 - EI 5953 	  
 | 
| Yavapai  | EE 4671 	  
 | 
| Yavapai-Sprache  | EE 4491 	  
 | 
| Yavoucko, Cyriaque Robert  | IJ 99458 - IJ 99459 	  
 | 
| Yayoi  | NF 8940 - NF 8990 	  
 | 
| Yeats, William Butler  | HL 4940 - HL 4945 	  
 | 
| Yemsa  | EO 4050 	  
 | 
| Yerby, Frank  | HU 9690 - HU 9695 	  
 | 
| Yergum  | EP 19835 - EP 19838 	  
 | 
| Yeye  | EP 19845 - EP 19848 	  
 | 
| Yezierska, Anzia  | HU 9698 - HU 9699 	  
 | 
| Yi, Hwang  | EI 8962 - EI 8963 	  
 | 
| Yi, I  | EI 8966 - EI 8967 	  
 | 
| Yi, Ki-yǒng  | EI 9544 - EI 9545 	  
 | 
| Yi, Kwang-su  | EI 8970 - EI 8971 	  
 | 
| Yi, Kyu-bo  | EI 8974 - EI 8975 	  
 | 
| Yixuan  | CI 9340 - CI 9344 	  
 | 
| Ynsfrán, Pablo Max  | IQ 70600 - IQ 70601 	  
 | 
| Yoba  | EP 19860 - EP 19863 	  
 | 
| Yoga  | BE 8050 - BE 8059 	  
BE 8050 	  
BE 8051 	  
BE 8052 	  
BE 8053 	  
BE 8054 	  
BE 8055 	  
BE 8056 	  
BE 8057 	  
BE 8058 	  
BE 8059 	  
BE 8060 	  
CU 8000 	  
CU 8580 	  
ZY 5080 - ZY 5089 	  
 | 
| Yoga Association of Self-Analysis  | EP 19800 - EP 19803 	  
 | 
| Yôḥannān, Bēt Aptonyā  | FK 30548 - FK 30553 	  
 | 
| Yokuts  | EE 4681 	  
 | 
| Yoruba  | EP 19870 - EP 19873 	  
 | 
| Yoshida, Ken'ichi  | EI 6452 - EI 6453 	  
 | 
| Yoshimoto, Takaaki  | CI 9095 - CI 9099 	  
 | 
| Young, David  | HU 9700 - HU 9705 	  
 | 
| Young, Francis Brett  | HM 4820 - HM 4825 	  
 | 
| Young-Plan  | QM 353 	  
 | 
| Yourcenar, Marguerite  | IH 90840 - IH 90841 	  
 | 
| Yuandynastie  | NM 1180 	  
NM 9650 	  
 | 
| Yuan-Sprache  | EF 26200 	  
EF 26210 	  
 | 
| Yuki  | EE 4691 	  
 | 
| Yukon Territory  | RT 40000 - RT 40918 	  
RT 40000 	  
RT 40003 	  
RT 40006 	  
RT 40009 	  
RT 40012 	  
RT 40015 	  
RT 40018 	  
RT 40021 	  
RT 40023 	  
RT 40026 	  
RT 40029 	  
RT 40032 	  
RT 40035 	  
RT 40038 	  
RT 40041 	  
RT 40050 	  
RT 40053 	  
RT 40060 	  
RT 40063 	  
RT 40065 	  
RT 40066 	  
RT 40069 	  
RT 40072 	  
RT 40075 	  
RT 40078 	  
RT 40081 	  
RT 40103 	  
RT 40104 	  
RT 40106 	  
RT 40109 	  
RT 40112 	  
RT 40115 	  
RT 40118 	  
RT 40121 	  
RT 40123 	  
RT 40126 	  
RT 40129 	  
RT 40132 	  
RT 40135 	  
RT 40138 	  
RT 40141 	  
RT 40144 	  
RT 40147 	  
RT 40150 	  
RT 40153 	  
RT 40156 	  
RT 40158 	  
RT 40159 	  
RT 40160 	  
RT 40161 	  
RT 40162 	  
RT 40165 	  
RT 40168 	  
RT 40177 	  
RT 40180 	  
RT 40183 	  
RT 40190 	  
RT 40193 	  
RT 40196 	  
RT 40199 	  
RT 40202 	  
RT 40205 	  
RT 40208 	  
RT 40211 	  
RT 40214 	  
RT 40217 	  
RT 40220 	  
RT 40226 	  
RT 40229 	  
RT 40232 	  
RT 40235 	  
RT 40238 	  
RT 40239 	  
RT 40241 	  
RT 40244 	  
RT 40247 	  
RT 40253 	  
RT 40256 	  
RT 40259 	  
RT 40262 	  
RT 40265 	  
RT 40268 	  
RT 40271 	  
RT 40277 	  
RT 40286 	  
RT 40292 	  
RT 40295 	  
RT 40298 	  
RT 40301 	  
RT 40304 	  
RT 40307 	  
RT 40310 	  
RT 40313 	  
RT 40316 	  
RT 40345 	  
RT 40348 	  
RT 40351 	  
RT 40354 	  
RT 40357 	  
RT 40360 	  
RT 40363 	  
RT 40366 	  
RT 40368 	  
RT 40369 	  
RT 40372 	  
RT 40375 	  
RT 40378 	  
RT 40381 	  
RT 40384 	  
RT 40387 	  
RT 40390 	  
RT 40393 	  
RT 40396 	  
RT 40399 	  
RT 40402 	  
RT 40405 	  
RT 40408 	  
RT 40411 	  
RT 40414 	  
RT 40417 	  
RT 40420 	  
RT 40423 	  
RT 40426 	  
RT 40429 	  
RT 40438 	  
RT 40441 	  
RT 40444 	  
RT 40447 	  
RT 40453 	  
RT 40456 	  
RT 40459 	  
RT 40462 	  
RT 40480 	  
RT 40483 	  
RT 40486 	  
RT 40489 	  
RT 40492 	  
RT 40495 	  
RT 40501 	  
RT 40507 	  
RT 40513 	  
RT 40516 	  
RT 40519 	  
RT 40522 	  
RT 40525 	  
RT 40528 	  
RT 40540 	  
RT 40543 	  
RT 40546 	  
RT 40555 	  
RT 40558 	  
RT 40559 	  
RT 40561 	  
RT 40564 	  
RT 40570 	  
RT 40573 	  
RT 40576 	  
RT 40579 	  
RT 40582 	  
RT 40585 	  
RT 40588 	  
RT 40591 	  
RT 40592 	  
RT 40594 	  
RT 40595 	  
RT 40597 	  
RT 40603 	  
RT 40606 	  
RT 40609 	  
RT 40615 	  
RT 40618 	  
RT 40621 	  
RT 40624 	  
RT 40627 	  
RT 40630 	  
RT 40633 	  
RT 40636 	  
RT 40639 	  
RT 40642 	  
RT 40645 	  
RT 40648 	  
RT 40651 	  
RT 40654 	  
RT 40657 	  
RT 40660 	  
RT 40663 	  
RT 40666 	  
RT 40669 	  
RT 40672 	  
RT 40675 	  
RT 40678 	  
RT 40681 	  
RT 40684 	  
RT 40687 	  
RT 40690 	  
RT 40693 	  
RT 40696 	  
RT 40699 	  
RT 40701 	  
RT 40702 	  
RT 40705 	  
RT 40708 	  
RT 40711 	  
RT 40714 	  
RT 40717 	  
RT 40726 	  
RT 40729 	  
RT 40735 	  
RT 40738 	  
RT 40741 	  
RT 40744 	  
RT 40747 	  
RT 40750 	  
RT 40753 	  
RT 40756 	  
RT 40759 	  
RT 40762 	  
RT 40765 	  
RT 40768 	  
RT 40771 	  
RT 40774 	  
RT 40777 	  
RT 40780 	  
RT 40783 	  
RT 40786 	  
RT 40789 	  
RT 40792 	  
RT 40795 	  
RT 40798 	  
RT 40801 	  
RT 40805 	  
RT 40808 	  
RT 40811 	  
RT 40814 	  
RT 40818 	  
RT 40820 	  
RT 40823 	  
RT 40826 	  
RT 40829 	  
RT 40835 	  
RT 40838 	  
RT 40841 	  
RT 40844 	  
RT 40850 	  
RT 40853 	  
RT 40856 	  
RT 40859 	  
RT 40865 	  
RT 40868 	  
RT 40871 	  
RT 40874 	  
RT 40877 	  
RT 40878 	  
RT 40900 	  
RT 40903 	  
RT 40906 	  
RT 40909 	  
RT 40912 	  
RT 40915 	  
RT 40918 	  
WI 8940 	  
 | 
| Yukuna  | EE 9314 	  
 | 
| Yulu  | EP 19875 - EP 19878 	  
 | 
| Yuma-Sprachen  | EE 4701 	  
 | 
| Yun, Dong ju  | EI 8994 - EI 8995 	  
 | 
| Yupanqui, Atahualpa  | IQ 75075 	  
 | 
| Yurakareanisch  | EE 9321 	  
 | 
| Yurkievich, Saúl  | IQ 75077 	  
 | 
| Yurok-Sprache  | EE 4703 	  
 | 
| Yuruna  | EE 9328 	  
 | 
| Yūšīǧ, Nīmā  | EV 7638 - EV 7639 	  
 | 
| Yūsuf, Saʿdī  | EN 3592 - EN 3593 	  
 | 
| Ywain and Gawain  | HH 9760 - HH 9765 	  
 | 
| Zabaleta, Juan de  | IO 6731 	  
 | 
| Zabarella, Giacomo  | BF 4945 - BF 4946 	  
CE 8500 - CE 8501 	  
 | 
| Żabczyc, Jan  | KO 5680 - KO 5681 	  
 | 
| Zabila, Natalja Lʹvivna  | KL 9841 - KL 9842 	  
 | 
| Zabłocki, Franciszek  | KO 9593 - KO 9594 	  
 | 
| Zabolockij, Nikolaj A.  | KK 8311 - KK 8312 	  
 | 
| Záborský, Jonáš  | KU 7290 - KU 7295 	  
 | 
| Zábrana, Jan  | KS 9965 - KS 9966 	  
 | 
| Zacharias, Gazaeus  | FK 55698 - FK 55703 	  
 | 
| Zacharias, Hierosolymitanus  | FK 55648 - FK 55653 	  
 | 
| Zack, Léon  | KI 5595 - KI 5596 	  
 | 
| Zadonščina  | KH 4500 - KH 4501 	  
 | 
| Zadura, Bohdan  | KP 9700 - KP 9701 	  
 | 
| Zähigkeit  | ZM 3200 	  
 | 
| Zählschaltung  | UN 7300 	  
 | 
| Zäsur <Metrik>  | FT 10900 	  
 | 
| Zagajewski, Adam  | KP 9703 - KP 9704 	  
 | 
| Zaghawa  | EP 19885 - EP 19888 	  
 | 
| Zagórski, Jerzy  | KP 5073 - KP 5074 	  
 | 
| Zagoskin, Michail N.  | KI 6390 - KI 6391 	  
 | 
| Zahl, Peter-Paul  | GN 9961 - GN 9962 	  
 | 
| Zahlensystem  | AM 29000 - AM 29400 	  
SK 130 	  
 | 
| Zahlentheoretische Funktion  | SK 180 	  
SK 420 	  
SK 680 	  
 | 
| Zahlentheorie  | QH 120 	  
SK 180 	  
 | 
| Zahlkörper  | SK 230 	  
 | 
| Zahlungsbedingungen  | QP 620 	  
 | 
| Zahlungsbilanz  | QM 300 	  
 | 
| Zahlungsbilanzausgleich  | QM 300 	  
 |