| Article | Vol | Words |
|---|---|---|
| YA | 21 | 482 |
| YAKOUTSK | 21 | 204 |
| YAMSKOI | 21 | 22 |
| YAMYCHEFSKAIA | 21 | 84 |
| YANG | 21 | 32 |
| YANG-CHAN | 21 | 10 |
| YANG-CONG | 21 | 9 |
| YANG-HO | 21 | 16 |
| YANG-KANG | 21 | 15 |
| YANG-TCHEOU | 21 | 90 |
| YANG-TSE-KIANG | 21 | 157 |
| YANGUIN | 21 | 31 |
| YANTCHIN | 21 | 20 |
| YAO | 21 | 18 |
| YAO-NGAN | 21 | 32 |
| YAO-TCHEOU | 21 | 35 |
| YARD | 21 | 155 |
| YARE | 21 | 69 |
| YARKUND | 21 | 363 |
| YARM | 21 | 86 |
| YARMOUTH | 21 | 134 |
| YAWNING | 21 | 318 |
| YAYNANGHEOM | 21 | 124 |
| YEAR | 21 | 8 |
| YEAST | 21 | 20 |
| YELCUNDEL | 21 | 26 |
| YELL | 21 | 111 |
| YELLOW | 21 | 7 |
| YELLOW RIVER | 21 | 177 |
| YELPOORA | 21 | 34 |
| YEMEN | 21 | 490 |
| YEN | 21 | 14 |
| YEN-KIANG | 21 | 18 |
| YEN-NGAN | 21 | 32 |
| YEN-PING | 21 | 36 |
| YEN-TCHEOU | 21 | 107 |
| YEOMAN | 21 | 145 |
| YEOVIL | 21 | 98 |
| YEOWAH | 21 | 22 |
| YERNAGOODUM | 21 | 42 |
| YETHOLM | 21 | 136 |
| YONNE | 21 | 441 |
| YON-NIM-KIEN HOTUN | 21 | 70 |
| YORKSHIRE | 21 | 5,087 |
| YORK | 21 | 1,896 |
| YOUNG | 21 | 7,658 |
| YU | 21 | 56 |
| YUCATAN | 21 | 38 |
| YUEN | 21 | 18 |
| YUEN-KIANG | 21 | 32 |
| YUEN-TCHEOU | 21 | 33 |
| YUEN-YANG | 21 | 42 |
| YUNAN | 21 | 126 |
| YUN-HING | 21 | 43 |
| YUN-LEAN-HO | 21 | 37 |
| YUNSHAN | 21 | 24 |
| YUNTAL | 21 | 225 |