History 4,732,009
History and criticism 883,109
Histoire 229,052
Housing 74,164
Historiography 73,597
Human rights 70,651
History, Military 66,668
Histoire et critique 58,378
Holocaust, Jewish (1939-1945) 56,889
HISTORY 46,247
Handbooks, manuals, etc 39,380
Health 37,641
Health and hygiene 36,688
Hospitals 33,260
Homes and haunts 32,791
History of doctrines 29,939
Historic buildings 29,316
Harbors 27,778
Hebrew language 25,149
Hymns, English 25,093
History, Local 23,253
Historic sites 23,070
Historical geography 22,438
Health aspects 21,193
Hadith 20,614
Human ecology 20,378
Historians 20,290
Hasidism 19,788
Homosexuality 18,867
Health insurance 18,067
Hinduism 17,911
Human beings 17,428
HEALTH & FITNESS 17,308
History, Naval 16,652
Holocaust survivors 15,657
History, Modern 15,030
Horses 14,430
Humanities 13,546
Hermeneutics 13,385
Hotels 13,162
Hunting 12,613
History, Ancient 12,247
Hymns 12,232
Homes 12,212
Holidays 12,008
Human geography 11,593
Heart 11,198
Humanism 11,121
Hydrology 10,925
Home economics 10,910
Hygiene 10,888
Harpsichord music 10,805
Heads of state 10,787
Humor 10,777
Hasidim 10,544
Human anatomy 10,473
Heat 10,137
Housing policy 9,895
Home 9,482
Hours of labor 9,190
Heraldry 8,550
History of Medicine 8,518
Hispanic Americans 8,195
Human Rights 8,191
Historia 8,187
Heroes 8,043
Happiness 7,972
Households 7,958
High schools 7,623
Health Policy 7,621
Human body 7,517
History of Biblical events 7,456
Health facilities 7,448
Human-computer interaction 7,251
Handicraft 7,194
Hazardous substances 7,104
Haggadot 6,995
High school students 6,804
Husband and wife 6,649
Habad 6,456
Human-animal relationships 6,408
Hydraulic engineering 6,397
HIV infections 6,327
History, 20th Century 6,270
Hazardous wastes 6,228
Health surveys 6,180
Hindustani music 5,804
Human capital 5,614
Human evolution 5,558
Hebrew literature 5,550
Health care reform 5,542
Hanukkah 5,527
Hiking 5,506
Hardware 5,355
Historic preservation 5,319
Herbs 5,207
HISTORY / General 5,167
Housekeeping 5,129
Higher education and state 5,097
Hydrogeology 5,044