History 4,736,337 History and criticism 883,991 Histoire 235,714 Housing 75,043 Historiography 73,647 Human rights 70,700 History, Military 66,745 Histoire et critique 59,440 Holocaust, Jewish (1939-1945) 56,989 HISTORY 46,154 Handbooks, manuals, etc 39,391 Health 39,257 Health and hygiene 36,732 Hospitals 33,312 Homes and haunts 32,829 History of doctrines 29,940 Historic buildings 29,354 Harbors 27,786 Hebrew language 25,180 Hymns, English 25,095 History, Local 23,295 Historic sites 23,088 Historical geography 22,456 Health aspects 21,217 Hadith 20,649 Human ecology 20,427 Historians 20,315 Hasidism 19,812 Homosexuality 18,883 Health insurance 18,075 Hinduism 17,932 Human beings 17,454 HEALTH & FITNESS 17,306 History, Naval 16,671 Holocaust survivors 15,691 History, Modern 15,042 Horses 14,439 Humanities 13,557 Hermeneutics 13,401 Hotels 13,181 Hunting 12,652 History, Ancient 12,248 Hymns 12,237 Homes 12,236 Holidays 12,016 Human geography 11,597 Heart 11,204 Humanism 11,126 Hydrology 10,924 Home economics 10,915 Hygiene 10,889 Harpsichord music 10,807 Heads of state 10,800 Humor 10,767 Hasidim 10,553 Human anatomy 10,479 Heat 10,140 Housing policy 9,906 Home 9,483 Hours of labor 9,195 Heraldry 8,584 History of Medicine 8,515 Hispanic Americans 8,203 Human Rights 8,179 Historia 8,104 Heroes 8,050 Happiness 7,987 Households 7,963 Health Policy 7,733 High schools 7,634 Human body 7,530 History of Biblical events 7,459 Health facilities 7,447 Human-computer interaction 7,255 Handicraft 7,201 Hazardous substances 7,104 Haggadot 7,003 High school students 6,820 Husband and wife 6,658 Habad 6,464 Human-animal relationships 6,429 Hydraulic engineering 6,400 HIV infections 6,333 History, 20th Century 6,265 Hazardous wastes 6,235 Health surveys 6,181 Hindustani music 5,814 Human capital 5,791 Human evolution 5,566 Hebrew literature 5,562 Health care reform 5,549 Hanukkah 5,531 Hiking 5,509 Hardware 5,356 Historic preservation 5,320 Herbs 5,213 HISTORY / General 5,182 Housekeeping 5,139 Higher education and state 5,103 Hydrogeology 5,044