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Creation Date 

1. Before 1961  (33)
2. 1961 To 1974  (2,427)
3. 1975 To 1988  (5,303)
4. 1989 To 2003  (1,278)
5. After 2003  (3,500)
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Subject 

1. Technical Subjects Covered By Former Uspc  (7,826)
2. Technical Subjects Covered By Former Us Classification  (5,368)
3. Transporting  (5,062)
4. Performing Operations  (5,062)
5. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (4,963)
6. Lighting  (4,381)
7. Weapons  (4,381)
8. Blasting  (4,381)
9. Heating  (4,381)
10. Mechanical Engineering  (4,381)
11. Technical Subjects Covered By Former Uspc Cross-Reference Artcollections [xracs] And Digests  (2,954)
12. Chemistry  (2,883)
13. Metallurgy  (2,883)
14. Engineering Elements And Units  (1,597)
15. Thermal Insulation In General  (1,597)
16. General Measures For Producing And Maintaining Effectivefunctioning Of Machines Or Installations  (1,597)
17. Climate Change Mitigation Technologies Related Totransportation  (1,549)
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Language 

1. English  (93)
2. French  (3)
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