Filter your search
- (no keywords) Remove filter (no keywords)
United States
198,742
Dissertations, Academic
138,572
China
65,941
Great Britain
59,353
Education
58,246
Agriculture
56,597
France
56,289
Japan
48,534
World War, 1939-1945
47,697
Women
44,374
Bible
44,175
Germany
38,101
Soviet Union
37,223
Catholic Church
35,937
English language
34,991
India
32,928
Art
30,536
World War, 1914-1918
30,486
Europe
30,007
Jews
28,494
Music
28,130
Law
27,307
Mexico
26,613
Science
26,321
Architecture
25,956
Geology
25,753
Academic theses
25,349
Spain
25,137
Italy
23,636
English
4,892,288
German
825,722
French
671,378
Spanish
622,537
Russian
311,587
Chinese
275,890
Italian
250,887
Japanese
246,215
Portuguese
139,708
Arabic
137,898
Latin
118,792
No linguistic content
79,576
Polish
68,303
Dutch
64,981
Hebrew
60,549
Undetermined
46,436
Swedish
42,963
Indonesian
39,397
Hindi
38,920
Korean
35,146
Czech
34,431
Danish
34,241
Turkish
28,655
Thai
28,346
Urdu
27,379
Hungarian
24,988
Croatian
23,684
Persian
23,517
Norwegian
21,692
Ukrainian
18,152
United States
3,051,646
United Kingdom
732,485
England
684,259
Germany
661,638
France
494,004
Italy
257,791
Japan
248,638
India
225,988
Spain
187,560
China
187,505
Russia (Federation)
183,282
Canada
144,952
Netherlands
105,420
Brazil
96,804
Mexico
94,391
Switzerland
89,136
Argentina
82,019
Soviet Socialist Republic
75,045
Poland
71,867
China (Republic : 1949- )
70,897
Austria
61,140
Russian S.F.S.R.
57,317
Sweden
53,514
Egypt
50,685
Israel
49,576
Indonesia
46,182
Belgium
44,519
Denmark
39,484
Australia
39,050
1980-1989
1,231,145
1990-1999
1,169,822
1970-1979
1,081,510
1960-1969
898,512
2000-2009
835,520
1950-1959
516,691
1900-1909
493,865
1910-1919
418,321
1920-1929
351,527
1940-1949
336,838
1930-1939
332,554
1890-1899
302,442
1880-1889
230,134
1870-1879
176,936
1860-1869
157,576
1990
140,886
1900
140,096
1989
131,000
1850-1859
129,370
1988
127,609
1985
127,109
1980
126,341
1986
124,244
1987
123,980
1984
123,723
1992
123,461
1991
123,412
1983
120,025
1993
117,949
1994
115,564
Book
8,646,266
Serial
488,242
Journal
414,676
Biography
395,450
Conference
288,811
Music
178,191
Musical Score
178,051
Manuscript
168,435
Statistics
137,926
Dictionaries
78,625
Directories
43,116
Microform
40,389
Encyclopedias
14,052
Maps-Atlas
3,630
Map
3,553
Archive
3,390
CDROM
2,054
Mixed Material
1,607
Newspaper
1,209
Audio CD
962
Visual Material
484
Video (DVD)
378
Audio
140
Audio (music)
110
Data File
75
Audio LP
74
Video (VHS)
33
University of Michigan
2,989,547
University of California
2,576,889
Harvard University
605,056
University of Virginia
385,004
The University of Texas
379,696
Indiana University
376,088
Cornell University
351,966
University of Minnesota
289,938
New York Public Library
263,899
Pennsylvania State University
244,378
The Ohio State University
157,729
Princeton University
135,100
Northwestern University
123,520
Library of Congress
101,736
Columbia University
91,219
University of Chicago
77,530
University of Alberta
72,226
Michigan State University
58,421
Purdue University
54,886
University of Iowa
49,832
Getty Research Institute
43,838
Keio University 慶應義塾大学
37,739
Rutgers University
28,508
Minnesota Digital Library
21,218