Placement Company
- ABC3
- Adams3
- Burkhart3
- Gantner3
- Houston Poster Advertising Company3
- Morton Company3
- Moving Media3
- Murphy Inc.3
- Outerspace3
- Pittsburgh Outdoor Advertising Co.3
- Ragan [Reagan?]3
- Root Outdoor3
- illegible3
- Ackerley2
- Carey2
- Columbus Outdoor Advertising Co.2
- Duplex Advertising Company, Austin, Texas2
- Krain2
- Martin2
- Outdoor Advertising2
The preservation of the Duke University Libraries Digital Collections and the Duke Digital Repository programs are supported in part by the Lowell and Eileen Aptman Digital Preservation Fund