J. Duncan Campbell

1916 – 2007

• American Military Insignia 1800-1851
• American military insignia, 1800-1851
• American Military Belt Plates
• American military headgear insignia
• American military insignia, 1800-1851
• Aviation badges and insignia of the United States Army, 1913-1946
• New belt buckles of the Old West
• The centennial history of the Phi Kappa Psi Fraternity, 1852-1952