TY  - BOOK
ED  - Iowa.
ED  - Iowa State Teachers College.
TI  - Instructional units on efficiency of movement in traffic and automobile operation
AV  - LB1629.I8 A2 1938
PY  - 1938///]
CY  - [Des Moines?
KW  - Accidents
KW  - Prevention
KW  - Automobile drivers
KW  - Traffic accidents
N1  - At head of title: State of Iowa, 1938; Includes references
ER  -