Topic
- Computers6
- African American college students5
- Child care5
- Construction workers4
- Dormitories4
- High school students4
- Photographers4
- Police4
- Bicycles3
- Construction equipment3
- Junior high school students3
- Librarians3
- Sea lions3
- Architectural models2
- Architecture--Designs and plans2
- Cameras2
- Campus grounds2
- Greenhouses2
- Scientists2
- Smoking2