American Pocket Watches Encyclopedia and Price Guide Vol. 1 Roy Ehrhardt Softcover encyclopedia-style book that catalogs pricing and specification of curated models of American pocket watches. Includes black-and-white illustrations, scans, and descriptive text to assist with identification and valuation of American-made pocket watches. 216 pages
0-913902-33-0
Heart of America Press
1982
Roy Ehrhardt
Reference 
