General 153,583
Geology 153,181
Government policy 147,661
Grammar 105,439
German language 47,596
Geography 47,519
German literature 46,486
Globalization 37,094
Genealogy 29,595
Guidebooks 29,021
Generals 28,174
Geology, Stratigraphic 27,895
Groundwater 23,574
Government 23,442
Gay men 22,950
Government relations 22,793
Government publications 22,633
God 22,303
German 22,162
Grammar, Comparative and general 20,843
Germans 19,294
Governmental investigations 19,287
German poetry 18,315
Growth 18,133
Games 17,893
Greek language 17,837
Gardens 15,406
Gestion 15,280
Guitar music 14,648
Geschichte 13,173
Genetics 13,045
Geometry 12,941
Gardening 11,935
Group identity 11,761
Graphic novels 11,317
German fiction 10,882
Guerre mondiale, 1939-1945 10,848
Girls 10,724
Geopolitics 10,474
Geology, Structural 10,340
Gold mines and mining 10,047
Gender identity 9,743
Good and evil 9,503
Gregorian chants 9,284
Guerrillas 9,236
Gifts 9,196
Geomagnetism 8,911
Government, Resistance to 8,868
Graphic arts 8,749
Gays 8,552
Grammar, Comparative 8,440
Glossaries, vocabularies, etc 8,088
Greek literature 8,087
Gay people 8,045
Governors 8,003
Geophysics 7,985
Genocide 7,716
General Surgery 7,711
Gynecology 7,559
Government business enterprises 7,500
Governance 7,401
Government purchasing 7,241
Gambling 7,238
Greeks 7,009
Grain trade 6,965
Geographic information systems 6,670
Grain 6,556
Government information 6,522
Grief 6,393
German drama 6,383
Gold 6,322
Global warming 6,138
Geomorphology 5,840
God (Islam) 5,819
Geochemistry 5,816
Grants-in-aid 5,809
Government productivity 5,805
Government property 5,718
Global Financial Crisis, 2008-2009 5,703
Gazetteers 5,645
Government ownership 5,568
Gastronomy 5,426
Gospel music 5,387
Gas industry 5,358
Genetic engineering 4,986
Government securities 4,918
Government spending policy 4,784
Greek poetry 4,741
Genetic aspects 4,633
Gangs 4,603
Government, Politics and Public Policy 4,587
Gold discoveries 4,463
Guilds 4,392
Geographical distribution 4,351
Geriatrics 4,284
Grace (Theology) 4,183
Game theory 4,147
Groundwater flow 4,132
Grammar, Historical 4,123
Great Britain 4,079