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Creation Date 

1. Before 1957  (477,004)
2. 1957 To 1973  (419,950)
3. 1974 To 1990  (1,467,312)
4. 1991 To 2008  (5,959,542)
5. After 2008  (12,041,855)
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New Records 

1. New From Last Week  (24,722)
2. New From Last Month  (243,876)
3. New From Last 3 Month  (317,675)
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Resource Type 

1. Articles  (8,806,623)
2. Patents  (8,223,158)
3. magazinearticle  (1,486,098)
4. Book Chapters  (398,143)
5. Reviews  (313,352)
6. Newspaper Articles  (247,394)
7. Thesises (postgraduate)  (173,558)
8. Reports  (147,568)
9. Newsletter Articles  (123,212)
10. Images  (110,575)
11. Conference Proceedings  (95,999)
12. Books  (81,146)
13. Web Resources  (55,563)
14. References  (35,097)
15. Datasets  (32,055)
16. Audio  (20,825)
17. Archival Material / Manuscripts  (11,795)
18. Text Resources  (9,409)
19. Drawing/Maps  (8,755)
20. Government Documents  (8,709)
21. Journals  (1,484)
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Subject 

1. Science & Technology  (4,451,025)
2. Chemistry  (3,994,886)
3. Metallurgy  (3,605,156)
4. Life Sciences & Biomedicine  (3,056,631)
5. Transporting  (2,477,583)
6. Performing Operations  (2,477,448)
7. Physics  (1,691,184)
8. Electricity  (1,311,654)
9. Humans  (1,083,587)
10. Human Necessities  (1,068,464)
11. Basic Electric Elements  (928,982)
12. Animals  (910,081)
13. Physical Sciences  (902,920)
14. Technology  (877,949)
15. Organic Chemistry  (846,717)
16. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (776,124)
17. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (776,124)
18. General Tagging Of New Technological Developments  (776,124)
19. Textiles  (747,254)
20. Photography  (736,277)
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Author/Creator 

1. Lee, Marc  (44)
2. Ward, Helen  (37)
3. Chevalier, Pierre  (33)
4. Macdonald, Ryan  (30)
5. Bowles, Stefanie  (10)
6. Hofmann, Nancy  (9)
7. Canada  (8)
8. National Research Council (U.S.)  (7)
9. Baldwin, John R  (5)
10. Crawford, Erica  (4)
11. Macdonald, Ryan  (4)
12. Crawford, Erica  (3)
13. Project Muse  (3)
14. Fisheries and Oceans Canada / Canadian Science Advisory Secretariat  (3)
15. Statistique Canada  (3)
16. Rothwell, Neil  (3)
17. National Academy of Engineering  (2)
18. G.J. Reinds  (2)
19. Bordiga, Amadeo  (2)
20. Statistics Canada  (2)
21. Pêches et Océans Canada / Secrétariat canadien de consultation scientifique  (2)
22. Beauregard-Tellier, Frédéric  (2)
23. Bowles, Stefanie  (2)
24. Charman, Nick  (2)
25. Rosa, Maria De  (2)
26. Rothwell, Neil  (2)
27. Commission on Engineering and Technical Systems  (2)
28. Lee, Marc  (2)
29. Ward, Helen  (2)
30. Division on Engineering and Physical Sciences  (2)
31. Projet de recherche sur les politiques (Canada)  (2)
32. National Academy of Sciences (U.S.)  (2)
33. Hofmann, Nancy  (2)
34. National Research Council  (2)
35. Brunelle, Jérôme-Antoine  (2)
36. National Research Council Staff  (2)
37. Institute of Laboratory Animal Resources (U.S.). Committee on Methods of Producing Monoclonal Antibodies  (2)
38. Chevalier, Pierre  (2)
39. Charman, Nick  (1)
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Databases 

1. ProQuest Central  (8,053,925)
2. esp@cenet  (7,932,724)
3. DOAJ Directory of Open Access Journals  (2,815,856)
4. ROAD: Directory of Open Access Scholarly Resources  (2,176,044)
5. MEDLINE  (1,990,164)
6. Geneva Foundation Free Medical Journals at publisher websites  (1,839,169)
7. PubMed Central  (1,717,720)
8. HighWire Press (Free Journals)  (410,315)
9. Springer Open Access  (365,495)
10. Open Access: Wiley-Blackwell Open Access Journals  (333,094)
11. Ebook Central - Academic Complete  (329,196)
12. ProQuest One Psychology  (265,835)
13. Free E- Journals  (209,395)
14. Open Access: Nature Open Access  (181,272)
15. Institute of Physics Open Access Journal Titles  (169,136)
16. Hyper Article en Ligne (HAL) (Open Access)  (162,647)
17. Public Library of Science (PLoS) Journals Open Access  (155,528)
18. USPTO Published Applications  (154,695)
19. Europeana Collections  (153,584)
20. USPTO Issued Patents  (134,611)
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Language 

1. English  (18,707,384)
2. Chinese  (2,406,457)
3. French  (1,733,316)
4. Japanese  (1,017,295)
5. German  (983,534)
6. Korean  (274,371)
7. Spanish  (222,018)
8. Russian  (191,450)
9. Portuguese  (179,880)
10. Swedish  (80,823)
11. Finnish  (47,378)
12. Norwegian  (40,328)
13. Italian  (37,864)
14. Polish  (30,373)
15. Danish  (22,284)
16. Croatian  (21,138)
17. Dutch  (18,630)
18. Czech  (15,305)
19. Ukrainian  (14,067)
20. Turkish  (13,554)
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Journal Title 

1. American Record Guide  (81,021)
2. Billboard  (56,242)
3. International Journal Of Molecular Sciences  (54,610)
4. Iop Conference Series. Earth And Environmental Science  (53,422)
5. New York Times  (180,237)
6. Plos One  (124,560)
7. Scientific Reports  (78,195)
8. Sustainability  (51,220)
9. The Hollywood Reporter  (72,856)
10. Variety  (70,971)
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