TY  - BOOK
AU  - Ferguson , W.B., ed.
TI  - The photographic researches of Ferdinand Hurter and Vero C. Driffield
U1  - 770.72 21st ed.
PY  - 1920///?]
CY  - London
PB  - The Royal Photographic Society of Great Britain
KW  - Photography
KW  - Photography-Research
N1  - 342-74 includes index; Being a reprint of their published papers, together with a history of their early work and a bibliography of later work on the same subject
ER  -