- College students10,943
- Universities and colleges7,166
- College buildings5,608
- Construction (Assembling)4,291
- College campuses3,364
- College administrators2,312
- Historic buildings2,228
- Historic sites1,955
- Agricultural exhibitions1,954
- Fairgrounds1,831
- Lecture halls1,811
- Fairs1,755
- Nuclear reactors1,617
- Engineers1,499
- Buildings1,308
- Lost architecture1,095
- Student unions1,083
- Sports facilities984
- College students -- Societies, etc.957
- 4-H clubs931