PRYOR, WILLIAM CLAYTON.
The rubber book, a photographic picture book with a story. By William Clayton Pryor & Helen Sloman Pryor.
PRYOR, WILLIAM CLAYTON. The rubber book, a photographic picture book with a story. By William Clayton Pryor & Helen Sloman Pryor. © 18Feb37; A103764. Helen Sloman Pryor (A); 28Dec64; R352058.
Helen Sloman Pryor|A