2 second hand books in my Antiques & Collecting: Militaria catalogue.
Die Friderizianischen Uniformen 1753-1786: Infanterie I; Infanterie II; Berittene Truppen; Technische Truppen , Rückwärtiger Dienst, Kriegsformationen; - Hans Bleckwenn
Dortmund: Harenberg, Paperback, 1984, Paperback £54.00
The Complete Encyclopedia of Antique Firearms: An Expert Guide to Firearms and Their Development - A. E. Hartink
Lisse: Rebo International, Hardback, 2001, Hardback in Dust Wrapper £11.00