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Creation Date 

1. Before 1960  (66,163)
2. 1960 To 1975  (217,739)
3. 1976 To 1991  (480,134)
4. 1992 To 2008  (610,723)
5. After 2008  (675,776)
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New Records 

1. New From Last Month  (40,373)
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Subject 

1. Human Necessities  (555,717)
2. Heterocyclic Compounds  (511,500)
3. Transporting  (497,512)
4. Performing Operations  (497,512)
5. Physical Or Chemical Processes Or Apparatus In General  (475,617)
6. Hygiene  (435,438)
7. Medical Or Veterinary Science  (435,438)
8. Preparations For Medical, Dental, Or Toilet Purposes  (420,503)
9. Their Relevant Apparatus  (414,526)
10. Chemical Or Physical Processes, E.G. Catalysis Or Colloidchemistry  (414,526)
11. Apparatus Therefor  (308,683)
12. General Methods Of Organic Chemistry  (296,350)
13. Specific Therapeutic Activity Of Chemical Compounds Ormedicinal Preparations  (292,408)
14. Compositions Based Thereon  (178,519)
15. Their Preparation Or Chemical Working-Up  (178,519)
16. Organic Macromolecular Compounds  (178,519)
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Language 

1. English  (1,582,354)
2. French  (359,618)
3. German  (300,599)
4. Chinese  (265,312)
5. Spanish  (73,084)
6. Korean  (58,566)
7. Japanese  (47,476)
8. Portuguese  (35,173)
9. Russian  (28,315)
10. Danish  (21,512)
11. Italian  (18,559)
12. Norwegian  (16,565)
13. Dutch  (15,314)
14. Finnish  (14,221)
15. Swedish  (12,441)
16. Polish  (9,763)
17. Romanian  (4,536)
18. Hungarian  (3,989)
19. Czech  (3,838)
20. Turkish  (2,553)
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