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Creation Date 

1. Before 1700  (17)
2. 1700 To 1909  (908)
3. 1910 To 1939  (3,282)
4. 1940 To 1952  (3,303)
5. After 1952  (1,426)
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New Records 

1. New From Last Month  (3)
2. New From Last 3 Month  (8)
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Resource Type 

1. Patents  (6,062)
2. Articles  (1,550)
3. Books  (379)
4. Images  (300)
5. Web Resources  (242)
6. Reports  (161)
7. Government Documents  (69)
8. Archival Material / Manuscripts  (66)
9. magazinearticle  (36)
10. Newsletter Articles  (22)
11. Journals  (18)
12. Videos  (13)
13. Thesises (postgraduate)  (10)
14. Conference Proceedings  (2)
15. Text Resources  (1)
16. References  (1)
17. Drawing/Maps  (1)
18. Scores  (1)
19. Reviews  (1)
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Subject 

1. Transporting  (6,062)
2. Performing Operations  (6,062)
3. Cleaning  (6,062)
4. Prevention Of Fouling In General  (6,062)
5. Cleaning In General  (6,062)
6. Old Medline  (1,147)
7. Humans  (972)
8. Science & Technology  (546)
9. Life Sciences & Biomedicine  (534)
10. Biomedical Research  (492)
11. Prevention  (395)
12. Lighting  (332)
13. Weapons  (330)
14. Heating  (330)
15. Blasting  (329)
16. Mechanical Engineering  (329)
17. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (303)
18. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (303)
19. General Tagging Of New Technological Developments  (303)
20. Technical Subjects Covered By Former Uspc  (301)
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Databases 

1. esp@cenet  (6,062)
2. MEDLINE  (1,201)
3. PubMed Central  (607)
4. ProQuest Central  (571)
5. GFMER Free Medical Journals  (451)
6. Europeana Collections  (401)
7. HathiTrust Digital Library Full View Worldwide  (279)
8. ROAD: Directory of Open Access Scholarly Resources  (239)
9. DOAJ Directory of Open Access Journals  (226)
10. JSTOR Early Journal Content  (223)
11. Gallica - All content.  (203)
12. Gallica - Open Access  (199)
13. HighWire Press (Free Journals)  (139)
14. ProQuest One Psychology  (122)
15. Technical Report Archive and Image Library (TRAIL) @ UNT Digital Library  (106)
16. Open Shared Collection  (82)
17. HathiTrust Digital Library Full View U.S. Only  (77)
18. Sabinet African Journals Open Access Collection  (66)
19. U.S. Government Documents  (58)
20. Gallica Periodicals  (55)
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Language 

1. English  (6,364)
2. French  (1,324)
3. German  (1,013)
4. Russian  (159)
5. Lithuanian  (90)
6. Spanish  (16)
7. Polish  (12)
8. Japanese  (11)
9. Italian  (10)
10. Danish  (9)
11. Swedish  (7)
12. Finnish  (5)
13. Czech  (4)
14. Estonian  (3)
15. Dutch  (3)
16. Latin  (2)
17. Portuguese  (1)
18. Afrikaans  (1)
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Journal Title 

1. American Journal Of Public Health  (51)
2. American Journal Of Public Health And The Nation's Health  (118)
3. Bmj  (75)
4. British Medical Journal  (94)
5. Bulletin Of The World Health Organization  (91)
6. Monthly Labor Review  (58)
7. Public Health Reports  (144)
8. South African Medical Journal  (60)
9. The Annals Of The American Academy Of Political And Social Science  (59)
10. The Lancet  (98)
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