Youth 18,611 Young women 6,598 Young men 3,539 Young adults 2,104 Yoga 2,003 Young adult fiction 1,966 Yugoslav War, 1991-1995 1,660 Young adult literature 1,007 Young Adult Fiction 952 Yellow fever 859 Yiddish literature 810 YOUNG ADULT FICTION 770 Yoruba (African people) 752 Year 2000 date conversion (Computer systems) 735 Yiddish language 626 Yearbooks 620 Youth and violence 553 Youth with disabilities 536 Youth development 523 Young Adult Literature 471 Young adult fiction, American 464 Youth with social disabilities 421 Yeast 395 Yachting 369 Young adults' libraries 366 Yiddish poetry 353 Yachts 339 Yoruba language 297 Youth movements 291 Young adult literature, American 280 Yields 279 Youth movement 278 Yanomamo Indians 232 Young Men's Christian associations 231 Yuan Dynasty (China) 227 Yaqui Indians 210 Youths' writings 210 Yugoslav literature 210 Yiddish fiction 199 Yan jiu 183 Youth and death 183 Yacht racing 182 Yarn 182 Yiddish 176 Yugoslav War Crime Trials, Hague, Netherlands, 1994- 173 Yeast fungi 171 Yield 151 Yizkor books 151 Young adult literature, English 151 Yakuza 149 Youth in literature 149 Youth (Christian education) 148 Young Adult 146 Yom Kippur 143 Yeasts 142 Yugoslavs 141 Yoga, Haṭha 136 Yellow Fever 129 Yogācāra (Buddhism) 127 Yoknapatawpha County (Imaginary place) 127 Yupik Eskimos 120 YOUNG ADULT FICTION / Romance / Contemporary 119 YOUNG ADULT FICTION / Social Themes / Friendship 114 Yoga, Hatha 114 Young consumers 109 Youths' writings, American 106 Yezidis 102 Yiddish drama 100 Yoruba 100 Young adult literature, Canadian 98 Yi (Chinese people) 97 Yeti 96 Young volunteers in social service 96 Youth with mental disabilities 95 YOUNG ADULT NONFICTION 93 Young adult literature, European 93 Young volunteers in community development 92 Yttrium 89 YOUNG ADULT FICTION / Action & Adventure / General 86 YOUNG ADULT FICTION / Romance 86 Yakut language 86 Ywain (Legendary character) 85 Yogis 84 Youth hostels 84 Yakut (Turkic people) 81 Yum Yum (Fictitious character : Braun) 81 Young adult fiction, English 78 Youth, Black 78 Young adult poetry, American 77 Yakama Indians 75 Youth in development 75 Yao (Southeast Asian people) 74 Yurok Indians 74 Young Germany 72 Young adult drama, American 72 Young Adult Nonfiction 69 Yiddish wit and humor 68 YOUNG ADULT FICTION / Action & Adventure 67 Yogurt 63 Yue fu (Chinese poetry) 63