Bowers, Q. David. Coins and collectors / [electronic resource] / by Q. David Bowers.. — [Johnson City, N.Y. : : Windsor Research Publications,, 1964]. — 213 p. : : ill. ; 23 cm. LCCN: 64008501 Subjects--Topical Terms: Numismatics--United States. LC Class. No.: CJ1830 / .B6 Dewey Class. No.: 737.4075