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Creation Date 

1. Before 1958  (19,066)
2. 1958 To 1973  (119,249)
3. 1974 To 1989  (622,555)
4. 1990 To 2006  (3,068,632)
5. After 2006  (6,144,713)
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New Records 

1. New From Last Week  (404)
2. New From Last Month  (10,325)
3. New From Last 3 Month  (31,538)
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Resource Type 

1. Articles  (8,554,978)
2. magazinearticle  (731,703)
3. Reviews  (275,125)
4. Newsletter Articles  (133,812)
5. Conference Proceedings  (64,247)
6. Book Chapters  (55,313)
7. Books  (45,004)
8. Reports  (27,838)
9. Patents  (21,740)
10. Datasets  (17,599)
11. Newspaper Articles  (15,289)
12. Thesises (postgraduate)  (12,986)
13. References  (3,773)
14. Images  (3,406)
15. Text Resources  (3,204)
16. Web Resources  (1,502)
17. Government Documents  (989)
18. Videos  (297)
19. Archival Material / Manuscripts  (257)
20. Journals  (131)
21. Drawing/Maps  (72)
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Subject 

1. Science & Technology  (5,669,129)
2. Life Sciences & Biomedicine  (4,410,654)
3. Humans  (1,996,184)
4. Animals  (1,309,572)
5. Biological And Medical Sciences  (1,218,594)
6. Environmental Sciences & Ecology  (1,137,788)
7. Male  (1,060,039)
8. Female  (1,036,612)
9. Physical Sciences  (1,033,776)
10. Environmental Sciences  (914,947)
11. Science & Technology - Other Topics  (708,786)
12. Fundamental And Applied Biological Sciences. Psychology  (706,294)
13. Technology  (592,436)
14. Multidisciplinary Sciences  (569,685)
15. Adult  (561,738)
16. Medical Sciences  (556,290)
17. Biochemistry & Molecular Biology  (483,827)
18. Middle Aged  (481,425)
19. Ecology  (473,042)
20. Microbiology  (443,459)
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Author/Creator 

1. National Research Council Staff  (1)
2. Guaraglia, Dardo Oscar  (1)
3. Imran Ahmad Dar; Mithas Ahmad Dar  (1)
4. Committee on Grand Challenges in Environmental Sciences  (1)
5. Pousa Jorge Lorenzo  (1)
6. National Research Council (U.S.)  (1)
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Databases 

1. ProQuest Central  (6,794,734)
2. MEDLINE  (3,492,820)
3. GFMER Free Medical Journals  (2,422,372)
4. DOAJ Directory of Open Access Journals  (2,194,277)
5. Open Access: PubMed Central  (1,906,924)
6. ROAD: Directory of Open Access Scholarly Resources  (1,708,404)
7. HighWire Press (Free Journals)  (899,096)
8. SpringerOpen  (404,008)
9. ProQuest One Psychology  (389,107)
10. Open Access: Wiley-Blackwell Open Access Journals  (349,796)
11. Public Library of Science  (321,114)
12. JSTOR (Journal Storage)  (213,495)
13. Open Access: Nature Open Access  (158,141)
14. Hyper Article en Ligne (HAL) (Open Access)  (152,726)
15. IOP Publishing (Open access)  (130,606)
16. IngentaConnect Backfiles  (125,717)
17. IOPscience (Open Access)  (105,050)
18. Oxford Academic Journals (Open Access)  (95,759)
19. Journals@Ovid Open Access Journal Collection Rolling  (90,341)
20. Open Access: Freely Accessible Journals by multiple vendors  (80,455)
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Language 

1. English  (9,797,575)
2. Japanese  (976,056)
3. French  (79,482)
4. Portuguese  (61,842)
5. Chinese  (48,617)
6. German  (36,049)
7. Spanish  (34,129)
8. Russian  (9,211)
9. Czech  (8,134)
10. Norwegian  (5,399)
11. Polish  (4,758)
12. Italian  (4,437)
13. Swedish  (4,269)
14. Slovak  (4,123)
15. Croatian  (2,709)
16. Dutch  (1,667)
17. Turkish  (1,444)
18. Slovenian  (1,207)
19. Ukrainian  (1,112)
20. Lithuanian  (1,043)
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Journal Title 

1. Farmers Weekly  (72,647)
2. Iop Conference Series: Earth And Environmental Science  (94,438)
3. Iop Conference Series. Earth And Environmental Science  (106,868)
4. Nature  (119,059)
5. Plos One  (289,647)
6. Proceedings Of The National Academy Of Sciences - Pnas  (109,564)
7. Protoview  (86,723)
8. Scitech Book News  (72,556)
9. Sustainability  (80,789)
10. The Lancet  (119,520)
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