[The following excerpt is published courtesy of DLRC Press and its author, David Lawrence This information was originally published in 1991 in The Complete Guide to Barber Halves
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REFERENCES
LISTING OF MAJOR CONTRIBUTORS
ANACS Population Report. June 1991. ANACS Columbus, OH.
Beistle, M.L. A Register of Half Dollar Die Varieties and Subvarieties. The Beistle Co., Shippensburg, PA 1929.
Breen, Walter. Walter Breen’s Complete Encyclopedia of U.S. and Colonial Coins, F.C.I. Press Inc. & Doubleday. 1988.
Breen, Walter. May 2, 1989 letter to Steve Epstein of BCCS..
The Coin Dealer Newsletter, Monthly Summary June 1991. CDN Inc. Torrance, CA.
Edwards, Gene B “An In-depth Look at Barber Half Dollars,” Part I & II. CDN Monthly Summary Nov. & Dec. 1978.
Judd, J.H. United States Patter, Experimental and Trial Pieces. 7th Ed. (compiled and edited by Abe Kosoff). Western Publishing Company, Inc., Racine, WI, 1982.
Julian, R.W. “Restful Liberty, Restful Times”, COINS, January 1977.
Julian, R.W. “Liberty Unseated” COINS, February 1977.
Lange, David W. “The Underrated Barber Half Dollar.” Parts I and II. The Numismatist May & June 1988.
Lawrence, David. “The Complete Guide to Barber Quarters, David Lawrence Rare Coins, Virginia Beach, VA. 1989.
NGC Census Report. June, 1991. Numismatic Guaranty Corporation of America. Parsippany, NJ
“Obituary: Charles E. Barber,” The Numismatist, April 1917. p. 167.
Pessolano-Filos, Francis. The Venus Numismatics Dictionary of Artists, Designers, Modellers, Engravers and Die Sinkers Whose Works Were Commissioned by or Struck by the United States Mint: 1792-1977, Eros Publishing Company, New York, NY, 1983.
PCGS Population Report. June. 1991. Professional Coin Grading Service. Newport Beach, CA.
Spadone, Frank G. Major Varieties and Oddity Guide of United States Coins, 7th Edition, 1977.
Taxay, Don. The U.S. Mint and Coinage. Arco Publishing Company, Inc., New York, NY, 1966.
Taxay, Don. The Comprehensive Catalogue and Encyclopedia of United States Coins. Scott Publ. Co. 1971
Vesely, Zdenek. Catalogue of Coin Designers and Engravers, self-published, 1984.
Yeoman, R.S. A Guide Book of United States Coins. 1st Edition, 1947. Western Publishing Company, Racine, WI, 1946.
Yeoman, R.S. A Guide Book of United States Coins. 44th Edition, 1991. Western Publishing Company, Racine, WI, 1990.
MAJOR CONTRIBUTORS
Walter Breen -A numismatic author of many books, from California.
Larry Briggs - -An Ohio coin dealer specializing in seated coinage.
Phil Carrigan – An Illinois collector, active in the Barber Society.
Steve Epstein – President, Barber Coin Collectors’ Society (BCCS).
David Lange – A Numismatist and author from northern California.
Tom Mulvaney -A professional numismatic photographer from Lexington, Kentucky.
J.T. Stanton – Co-author of the Cherrypicker’s Guide to Rare Die Varieties.