Filter your search
United States
198,026
Dissertations, Academic
138,488
China
65,701
Great Britain
59,228
Education
58,130
Agriculture
56,390
France
56,086
Japan
48,393
World War, 1939-1945
47,569
Women
44,102
Bible
43,906
Germany
38,013
Soviet Union
37,149
Catholic Church
35,867
English language
34,872
India
32,868
World War, 1914-1918
30,445
Art
30,411
Europe
29,927
Jews
28,218
Music
28,056
Law
27,211
Mexico
26,557
Science
26,221
Architecture
25,889
Geology
25,654
Spain
25,062
Italy
23,577
Academic theses
22,190
English
4,877,635
German
823,937
French
669,864
Spanish
620,838
Russian
311,331
Chinese
275,064
Italian
250,398
Japanese
245,468
Portuguese
139,474
Arabic
137,944
Latin
118,368
No linguistic content
78,481
Polish
68,172
Dutch
64,809
Hebrew
59,407
Undetermined
49,306
Swedish
42,876
Indonesian
39,014
Hindi
38,806
Korean
35,067
Czech
34,399
Danish
34,142
Turkish
28,635
Thai
28,315
Urdu
27,358
Hungarian
24,947
Croatian
23,662
Persian
23,442
Norwegian
21,660
Ukrainian
18,087
United States
3,040,511
United Kingdom
731,278
England
683,097
Germany
659,931
France
492,692
Italy
257,170
Japan
247,789
India
225,606
Spain
186,800
China
186,789
Russia (Federation)
182,891
Canada
144,382
Netherlands
105,063
Brazil
96,657
Mexico
94,084
Switzerland
88,568
Argentina
81,616
Soviet Socialist Republic
75,074
Poland
71,506
China (Republic : 1949- )
70,680
Austria
60,856
Russian S.F.S.R.
57,358
Sweden
53,288
Egypt
50,599
Israel
48,962
Indonesia
45,785
Belgium
44,341
Denmark
39,296
Australia
38,696
1980-1989
1,229,409
1990-1999
1,168,255
1970-1979
1,079,518
1960-1969
895,464
2000-2009
832,417
1950-1959
512,725
1900-1909
491,852
1910-1919
417,547
1920-1929
349,699
1940-1949
334,297
1930-1939
330,527
1890-1899
301,967
1880-1889
229,732
1870-1879
176,675
1860-1869
157,331
1990
140,705
1900
139,260
1989
130,842
1850-1859
129,112
1988
127,454
1985
126,895
1980
126,073
1986
124,129
1987
123,868
1984
123,530
1992
123,279
1991
123,251
1983
119,859
1993
117,816
1994
115,460
Book
8,624,739
Serial
485,332
Journal
411,968
Biography
394,863
Conference
288,008
Music
176,554
Musical Score
176,414
Manuscript
165,594
Statistics
137,201
Dictionaries
78,374
Directories
42,828
Microform
40,119
Encyclopedias
13,785
Maps-Atlas
3,625
Map
3,547
Archive
3,384
CDROM
2,044
Mixed Material
1,606
Newspaper
1,195
Audio CD
959
Visual Material
482
Video (DVD)
376
Audio
140
Audio (music)
110
Data File
75
Audio LP
74
Video (VHS)
33
University of Michigan
2,989,236
University of California
2,572,554
Harvard University
604,966
University of Virginia
385,001
The University of Texas
379,695
Indiana University
376,049
Cornell University
346,206
University of Minnesota
289,937
New York Public Library
259,590
Pennsylvania State University
244,240
The Ohio State University
157,058
Princeton University
135,099
Northwestern University
123,504
Library of Congress
101,736
Columbia University
91,218
University of Chicago
77,512
University of Alberta
72,226
Michigan State University
58,420
Purdue University
51,987
University of Iowa
49,802
Getty Research Institute
43,147
Keio University 慶應義塾大学
37,739
Rutgers University
28,498
Minnesota Digital Library
21,218