Quarters

• “The Early Quarter Dollars of the United States 1796-1838″ by A.W. Browning
• “The Comprehensive Encyclopedia of United States Liberty Seated Quarters” by Larry Briggs
• “The Complete Guide to Barber Quarters” by David Lawrence
• “The Authoritative Reference on Barber Quarters” by Kevin Flynn
• “Standing Liberty Quarters” by J. H. Cline
• “The Washington Quarter Dollar Book, an Attribution and Pricing Guide” by James Wiles

Volume I 1932-1941
Volume II 1942-1944
Volume III 1945-1949

• “A Guide Book of Washington and State Quarters” by Q. David Bowers