Date of Version
April 1949
Recommended Citation
White, James T., "Motorists' Reaction to Portable School Signs" (1949). Purdue Road School. 23.
https://docs.lib.purdue.edu/roadschool/1949/proceedings/23
Start Date
4-11-1949 12:00 AM
COinS
Apr 11th, 12:00 AM
Motorists' Reaction to Portable School Signs
