First Summary (The Ten Main Classes) | |||||||||||||||||||||
000 : Computers, information, & general works | |||||||||||||||||||||
100 : Philosophy & psychology | |||||||||||||||||||||
200 : Religion | |||||||||||||||||||||
300 : Social sciences | |||||||||||||||||||||
400 : Language | |||||||||||||||||||||
500 : Science | |||||||||||||||||||||
600 : Technology | |||||||||||||||||||||
700 : Arts & recreation | |||||||||||||||||||||
800 : Literature | |||||||||||||||||||||
900 : History & geography | |||||||||||||||||||||
Second Summary (The Hundred Divisions)
600 : Technology
| 610 : Medicine & health
| 620 : Engineering
| 630 : Agriculture
| 640 : Home & family management
| 650 : Management & public relations
| 660 : Chemical engineering
| 670 : Manufacturing
| 680 : Manufacture for specific uses
| 690 : Building & construction
|
| 620 : Engineering & allied operations | 621 : Applied physics | 622 : Mining & related operations | 623 : Military & nautical engineering | 624 : Civil engineering | 625 : Engineering of railroads & roads | 626 : [Unassigned] | 627 : Hydraulic engineering | 628 : Sanitary & municipal engineering | 629 : Other branches of engineering |