TY  - BOOK
AU  - Langford,Michael John
TI  - Visual aids and photography in education: a visual aids manual for teachers and learners 
SN  - 0803857845
PY  - 1973///
CY  - New York
PB  - Hastings House
KW  - Visual education
KW  - Photography in education
N1  - Includes index
ER  -