PRYOR, WILLIAM CLAYTON.
The cowboy book; a photographic picture book with a story, by William Clayton Pryor & Helen Sloman Pryor.
PRYOR, WILLIAM CLAYTON. The cowboy book; a photographic picture book with a story, by William Clayton Pryor & Helen Sloman Pryor. © 14Jul38; A119634. Helen Sloman Pryor (A & W); 24Sep65; R368779.
Helen Sloman Pryor|A & W