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Creation Date 

1. Before 1700  (13)
2. 1700 To 1909  (90,725)
3. 1910 To 1939  (156,067)
4. 1940 To 1952  (123,565)
5. After 1952  (26,580)
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New Records 

1. New From Last Month  (15)
2. New From Last 3 Month  (51)
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Resource Type 

1. Patents  (385,975)
2. Articles  (5,551)
3. Images  (1,243)
4. Web Resources  (906)
5. Reports  (820)
6. Drawing/Maps  (580)
7. Books  (456)
8. Text Resources  (454)
9. magazinearticle  (257)
10. Conference Proceedings  (146)
11. Archival Material / Manuscripts  (146)
12. References  (119)
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14. Government Documents  (75)
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16. Thesises (postgraduate)  (36)
17. Datasets  (13)
18. Videos  (13)
19. Other  (5)
20. Newsletter Articles  (3)
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Subject 

1. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (385,975)
2. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (385,975)
3. General Tagging Of New Technological Developments  (385,975)
4. Technical Subjects Covered By Former Uspc  (348,163)
5. Technical Subjects Covered By Former Us Classification  (282,625)
6. Transporting  (144,873)
7. Performing Operations  (144,873)
8. Weapons  (104,346)
9. Mechanical Engineering  (104,340)
10. Lighting  (104,339)
11. Blasting  (104,335)
12. Heating  (104,335)
13. Technical Subjects Covered By Former Uspc Cross-Reference Artcollections [xracs] And Digests  (82,893)
14. Engineering Elements And Units  (56,461)
15. Thermal Insulation In General  (56,461)
16. General Measures For Producing And Maintaining Effectivefunctioning Of Machines Or Installations  (56,461)
17. Human Necessities  (46,862)
18. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (39,732)
19. Fixed Constructions  (39,677)
20. Machine Tools  (33,811)
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Databases 

1. esp@cenet  (385,975)
2. ProQuest Central  (2,505)
3. JSTOR Early Journal Content  (2,405)
4. Europeana Collections  (1,768)
5. AgEcon  (958)
6. MEDLINE  (942)
7. HighWire Press (Free Journals)  (808)
8. Geneva Foundation Free Medical Journals at publisher websites  (782)
9. PubMed Central  (652)
10. David Rumsey Historical Map Collection  (576)
11. ERIC - Full Text Only (Discovery)  (478)
12. UMedia  (378)
13. HathiTrust Digital Library Full View Worldwide  (356)
14. Open Shared Collection  (252)
15. ProQuest One Psychology  (235)
16. ROAD: Directory of Open Access Scholarly Resources  (136)
17. DOAJ Directory of Open Access Journals  (121)
18. Wiley Open Access  (120)
19. Digital Library of the Commons  (117)
20. HathiTrust Digital Library Full View U.S. Only  (82)
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Language 

1. English  (373,501)
2. French  (13,361)
3. German  (8,708)
4. Dutch  (623)
5. Russian  (554)
6. Japanese  (122)
7. Finnish  (109)
8. Danish  (64)
9. Polish  (18)
10. Lithuanian  (12)
11. Spanish  (11)
12. Swedish  (9)
13. Persian  (8)
14. Latin  (6)
15. Italian  (5)
16. Singhalese  (4)
17. Catalan  (1)
18. Bulgarian  (1)
19. Afrikaans  (1)
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Journal Title 

1. American Journal Of Agricultural Economics  (153)
2. Barron's National Business And Financial Weekly  (255)
3. British Medical Journal  (234)
4. Child Development  (124)
5. International Organization  (135)
6. Journal Of Abnormal And Social Psychology  (233)
7. Journal Of Farm Economics  (192)
8. Science  (159)
9. The Annals Of The American Academy Of Political And Social Science  (332)
10. The Biological Bulletin  (253)
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