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Creation Date 

1. Before 1972  (28)
2. 1972 To 1984  (68)
3. 1985 To 1997  (2,559)
4. 1998 To 2011  (15,590)
5. After 2011  (67,674)
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New Records 

1. New From Last Week  (33)
2. New From Last Month  (1,673)
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Subject 

1. Transporting  (22,824)
2. Performing Operations  (22,824)
3. Physics  (21,415)
4. Human Necessities  (13,270)
5. Lighting  (12,971)
6. Weapons  (12,971)
7. Blasting  (12,971)
8. Heating  (12,971)
9. Mechanical Engineering  (12,971)
10. Electricity  (11,559)
11. Calculating  (11,479)
12. Computing  (11,479)
13. Counting  (11,479)
14. Fixed Constructions  (9,387)
15. Conversion Or Distribution Of Electric Power  (6,642)
16. Generation  (6,642)
17. Electric Digital Data Processing  (5,082)
18. Metallurgy  (4,841)
19. Chemistry  (4,841)
20. Measuring  (4,427)
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Language 

1. English  (84,247)
2. Chinese  (55,182)
3. French  (660)
4. Portuguese  (532)
5. Korean  (302)
6. German  (278)
7. Japanese  (120)
8. Russian  (84)
9. Spanish  (42)
10. Ukrainian  (29)
11. Italian  (14)
12. Bulgarian  (14)
13. Norwegian  (7)
14. Dutch  (6)
15. Hebrew  (6)
16. Lithuanian  (4)
17. Swedish  (3)
18. Czech  (2)
19. Danish  (2)
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