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Creation Date 

1. Before 1994  (247)
2. 1994 To 2000  (9,249)
3. 2001 To 2007  (11,080)
4. 2008 To 2015  (6,195)
5. After 2015  (4,175)
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New Records 

1. New From Last Month  (294)
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Subject 

1. Hygiene  (18,760)
2. Medical Or Veterinary Science  (18,760)
3. Preparations For Medical, Dental, Or Toilet Purposes  (14,104)
4. Chemistry  (11,735)
5. Metallurgy  (11,735)
6. Specific Therapeutic Activity Of Chemical Compounds Ormedicinal Preparations  (11,026)
7. Organic Chemistry  (9,534)
8. Heterocyclic Compounds  (6,414)
9. Trapping  (4,476)
10. Fishing  (4,476)
11. Forestry  (4,476)
12. Agriculture  (4,476)
13. Hunting  (4,476)
14. Animal Husbandry  (4,476)
15. Their Treatment, Not Covered By Other Classes  (2,935)
16. Foods Or Foodstuffs  (2,935)
17. Transporting  (2,665)
18. Performing Operations  (2,665)
19. Coffee Mills  (2,508)
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