Imperial German edged weapon catalogue and price guide / by Gerhard Windbiel motorbooks international illustrated buyer's guide series Illustrated tank & AFV buyer's guide / Michael Green Collectie-Hendriks : inventaris van de documentatie en de modelfiguren uit de nalatenschap van oud-donateur de heer B. Hendriks / samengest. door Louis Ph. Sloos ; ā¦ Personal Papers in the Albert F.Simpson Historical Research Center / comp. and ed. by Richard E. Morse and Thomas C. Lobenstein