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Creation Date 

1. Before 1957  (69,664)
2. 1957 To 1973  (13,587)
3. 1974 To 1990  (21,221)
4. 1991 To 2008  (121,406)
5. After 2008  (250,216)
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New Records 

1. New From Last Week  (309)
2. New From Last Month  (554)
3. New From Last 3 Month  (2,531)
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Subject 

1. History  (55,940)
2. Political Science  (28,614)
3. Social Science  (28,211)
4. Social Sciences  (24,731)
5. United States  (21,512)
6. Histoire  (20,452)
7. Book Industry Communication  (19,533)
8. Sociology  (18,068)
9. Thema Editeur  (17,752)
10. Business & Economics  (16,763)
11. Electronic Books. -- Local  (15,211)
12. History And Criticism  (15,168)
13. Education  (15,099)
14. Philosophy  (14,734)
15. Social Aspects  (14,591)
16. Politics And Government  (13,455)
17. Religion  (13,424)
18. Study And Teaching  (13,190)
19. Science  (12,425)
20. Literature  (11,584)
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Author/Creator 

1. Division on Earth and Life Studies  (164)
2. National Research Council (U.S.)  (115)
3. National Research Council  (104)
4. Pontifical Institute of Mediaeval Studies  (77)
5. Canadian Corporation for Studies in Religion  (58)
6. Board on Life Sciences  (41)
7. Commission on Life Sciences  (39)
8. National Research Council Staff  (35)
9. National Academy of Sciences  (28)
10. Board on Chemical Sciences and Technology  (25)
11. Commission on Geosciences, Environment and Resources  (24)
12. Board on Environmental Studies and Toxicology  (23)
13. Division on Engineering and Physical Sciences  (17)
14. Institute for Laboratory Animal Research  (14)
15. Chemical Sciences Roundtable  (13)
16. Project Muse  (13)
17. Committee on Toxicology  (12)
18. Institute of Medicine  (12)
19. Space Studies Board  (11)
20. Board on Earth Sciences and Resources  (10)
21. McIver, Don  (10)
22. Board on Agriculture and Natural Resources  (10)
23. Bennett, Paul W  (9)
24. International Association of Centers for Federal Studies  (9)
25. Munro, Ian  (9)
26. Rand Corporation  (9)
27. Commission on Physical Sciences, Mathematics, and Applications  (9)
28. Policy and Global Affairs  (8)
29. Board on Health Sciences Policy  (8)
30. Board on Environmental Studies and Toxicology Staff  (8)
31. Munro, Ian  (3)
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Databases 

1. Ebook Central - Academic Complete  (141,237)
2. HathiTrust Digital Library Full View Worldwide  (45,770)
3. DOAB: Directory of Open Access Books  (37,621)
4. HathiTrust Digital Library Full View U.S. Only  (29,924)
5. OAPEN  (24,144)
6. ScholarVox International  (15,115)
7. EU BookShop  (14,683)
8. Münchener DigitalisierungsZentrum (MDZ)  (12,424)
9. JSTOR eBooks: Open Access  (10,108)
10. Canada Commons: Books & Documents  (7,805)
11. De Gruyter Open Access Books  (6,425)
12. ProQuest Central  (5,353)
13. Project MUSE Open Access Books  (5,290)
14. DOAJ Directory of Open Access Journals  (4,158)
15. Open Knowledge Repository  (3,871)
16. Zaccheus Onumba Dibiaezue Memorial Libraries (ZODML)  (3,191)
17. Vrije Universiteit  (3,080)
18. DigitalNZ  (2,993)
19. SWEPUB Freely available online  (2,708)
20. NORA - Norwegian Open Research Archives  (2,284)
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Language 

1. English  (318,602)
2. German  (34,762)
3. French  (7,528)
4. Swedish  (2,553)
5. Spanish  (2,351)
6. Japanese  (1,872)
7. Italian  (1,698)
8. Dutch  (1,117)
9. Latin  (934)
10. Norwegian  (868)
11. Portuguese  (485)
12. Danish  (478)
13. Arabic  (345)
14. Russian  (332)
15. Czech  (242)
16. Chinese  (210)
17. Persian  (205)
18. Slovenian  (160)
19. Hebrew  (144)
20. Finnish  (107)
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