Filter your search
United States
197,891
Dissertations, Academic
138,488
China
65,691
Great Britain
59,222
Education
58,119
Agriculture
56,373
France
56,080
Japan
48,385
World War, 1939-1945
47,563
Women
44,100
Bible
43,906
Germany
38,013
Soviet Union
37,144
Catholic Church
35,866
English language
34,869
India
32,865
World War, 1914-1918
30,439
Art
30,411
Europe
29,917
Jews
28,221
Music
28,055
Law
27,208
Mexico
26,556
Science
26,211
Architecture
25,887
Geology
25,650
Spain
25,061
Italy
23,575
Academic theses
22,183
English
4,876,553
German
823,922
French
669,828
Spanish
620,836
Russian
311,328
Chinese
275,058
Italian
250,396
Japanese
245,467
Portuguese
139,473
Arabic
137,939
Latin
118,366
No linguistic content
78,480
Polish
68,172
Dutch
64,807
Hebrew
59,406
Undetermined
49,304
Swedish
42,876
Indonesian
39,013
Hindi
38,806
Korean
35,066
Czech
34,399
Danish
34,142
Turkish
28,635
Thai
28,313
Urdu
27,359
Hungarian
24,947
Croatian
23,663
Persian
23,442
Norwegian
21,660
Ukrainian
18,087
United States
3,039,436
United Kingdom
731,271
England
683,090
Germany
659,918
France
492,667
Italy
257,168
Japan
247,787
India
225,601
Spain
186,800
China
186,779
Russia (Federation)
182,886
Canada
144,382
Netherlands
105,056
Brazil
96,656
Mexico
94,084
Switzerland
88,567
Argentina
81,616
Soviet Socialist Republic
75,078
Poland
71,506
China (Republic : 1949- )
70,677
Austria
60,856
Russian S.F.S.R.
57,361
Sweden
53,288
Egypt
50,585
Israel
48,962
Indonesia
45,785
Belgium
44,339
Denmark
39,296
Australia
38,696
1980-1989
1,229,269
1990-1999
1,168,196
1970-1979
1,079,316
1960-1969
895,349
2000-2009
832,390
1950-1959
512,626
1900-1909
491,580
1910-1919
417,535
1920-1929
349,536
1940-1949
334,242
1930-1939
330,507
1890-1899
301,966
1880-1889
229,732
1870-1879
176,675
1860-1869
157,330
1990
140,694
1900
139,042
1989
130,829
1850-1859
129,111
1988
127,445
1985
126,884
1980
126,034
1986
124,120
1987
123,859
1984
123,520
1992
123,271
1991
123,243
1983
119,848
1993
117,805
1994
115,457
Book
8,624,007
Serial
484,881
Journal
411,546
Biography
394,837
Conference
287,964
Music
176,553
Musical Score
176,413
Manuscript
165,594
Statistics
137,126
Dictionaries
78,366
Directories
42,810
Microform
40,126
Encyclopedias
13,787
Maps-Atlas
3,625
Map
3,547
Archive
3,384
CDROM
2,045
Mixed Material
1,606
Newspaper
1,194
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
2,989,219
University of California
2,572,519
Harvard University
604,966
University of Virginia
384,780
The University of Texas
379,695
Indiana University
376,049
Cornell University
344,094
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
77,508
University of Alberta
72,226
Michigan State University
58,420
Purdue University
51,987
University of Iowa
49,802
Getty Research Institute
43,086
Keio University 慶應義塾大学
37,739
Rutgers University
28,498
Minnesota Digital Library
21,218