References

References in the text that consist of the letter 'B' and a number refer to Blades Numismata Typographica (1883). References that consist of the letter 'J' and a number are to Jehne.

Blades 1869
William Blades A List of Medals, Jetton, Tokens, etc., in Connection with Printers and the Art of Printing. London, 1869. (Quarto, cloth, gilt.)
 * This is not the more well-known book republished by Henry Morris' Bird & Bull Press: Numismata Typographica: the Medallic History of Printing
 * Published in 1869 - public domain
 * http://www.archive.org/details/listofmedalsjett00bladrich - retrieved December 29, 2010

Blades 1883
William Blades Numismata Typographica: the Medallic History of Printing
 * Published in 1883, reprinted by Bird & Bull Press
 * See Blades Checklist

Jehne
Paul Jehne - Über Buchdruck-Medaillen. Dippoldiswalde 1907
 * From a photocopy from the Wronker archives

Paul Jehne - Erster Nachtrag zu dem Werke Über Buchdruck-Medaillen. Dippoldiswalde 1913

(Note: In 1992 a reprint containing both the 1907 and 1913 works by Jehne was published in Frankfurt am Main, incorporating some corrections by Jehne.)

Biographical Dictionary of Medallists
Biographical Dictionary of Medallists http://books.google.com/books?id=8UVmAAAAMAAJ