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Creation Date 

1. Before 1957  (64,878,469)
2. 1957 To 1973  (15,812,525)
3. 1974 To 1990  (35,787,941)
4. 1991 To 2008  (91,926,862)
5. After 2008  (164,530,191)
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New Records 

1. New From Last Month  (987,832)
2. New From Last 3 Month  (7,717,323)
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Resource Type 

1. Patents  (160,670,464)
2. Articles  (103,190,761)
3. Images  (43,126,632)
4. Web Resources  (34,808,019)
5. magazinearticle  (15,828,084)
6. Reviews  (8,866,362)
7. Book Chapters  (7,410,813)
8. Books  (7,306,171)
9. Newspaper Articles  (4,488,647)
10. Journals  (3,185,528)
11. Thesises (postgraduate)  (2,590,725)
12. Reports  (2,573,420)
13. Audio  (1,616,259)
14. Archival Material / Manuscripts  (1,573,697)
15. Conference Proceedings  (1,126,722)
16. Government Documents  (1,055,142)
17. Newsletter Articles  (1,040,026)
18. Videos  (582,283)
19. Datasets  (562,582)
20. Text Resources  (500,418)
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Subject 

1. Transporting  (37,081,949)
2. Performing Operations  (37,081,420)
3. Physics  (36,121,712)
4. Electricity  (31,273,672)
5. Human Necessities  (26,343,009)
6. Science & Technology  (26,264,611)
7. Chemistry  (25,149,773)
8. Metallurgy  (22,367,771)
9. Mechanical Engineering  (17,690,814)
10. Heating  (17,568,942)
11. Weapons  (17,551,217)
12. Lighting  (17,550,989)
13. Blasting  (17,509,521)
14. Life Sciences & Biomedicine  (16,608,428)
15. Basic Electric Elements  (13,147,960)
16. Hygiene  (13,110,875)
17. Medical Or Veterinary Science  (13,071,527)
18. Counting  (11,370,635)
19. Computing  (11,361,901)
20. Calculating  (11,360,508)
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Databases 

1. esp@cenet  (147,110,859)
2. Europeana Collections  (70,705,705)
3. ProQuest Central  (65,467,237)
4. DOAJ Directory of Open Access Journals  (20,536,829)
5. ROAD: Directory of Open Access Scholarly Resources  (16,280,882)
6. Geneva Foundation Free Medical Journals at publisher websites  (14,381,819)
7. MEDLINE  (13,972,196)
8. PubMed Central  (12,564,777)
9. Gallica - All content.  (8,497,333)
10. Gallica Periodicals  (7,714,719)
11. USPTO Published Applications  (7,508,056)
12. Gallica - Open Access  (6,692,667)
13. USPTO Issued Patents  (6,038,858)
14. HighWire Press (Free Journals)  (5,138,430)
15. Ebook Central - Academic Complete  (5,047,801)
16. Open Access: Freely Accessible Journals by multiple vendors  (5,029,081)
17. HathiTrust Digital Library Full View Worldwide  (4,624,394)
18. ProQuest One Psychology  (3,431,028)
19. arXiv.org  (2,471,620)
20. JSTOR Early Journal Content  (1,987,636)
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Language 

1. English  (282,732,606)
2. Chinese  (50,832,318)
3. French  (37,303,674)
4. German  (32,417,539)
5. Spanish  (12,129,074)
6. Japanese  (11,585,610)
7. Korean  (6,674,352)
8. Swedish  (5,688,550)
9. Dutch  (4,917,762)
10. Polish  (4,812,801)
11. Italian  (4,382,438)
12. Norwegian  (4,308,100)
13. Portuguese  (3,140,184)
14. Russian  (2,840,925)
15. Danish  (2,103,034)
16. Latin  (1,750,514)
17. Czech  (1,391,360)
18. Finnish  (1,380,019)
19. Catalan  (1,371,871)
20. Hungarian  (1,348,243)
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Journal Title 

1. Arxiv  (683,856)
2. Arxiv.Org  (1,881,605)
3. Billboard  (474,672)
4. Bmj  (456,573)
5. British Medical Journal  (736,539)
6. Nature  (568,017)
7. New York Times  (2,792,407)
8. Notes And Queries  (754,741)
9. The Lancet  (672,764)
10. The Washington Post  (776,594)
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