38 Special S&W Mod 64 - 3 - Unknown Caliber / Cartridge

Cartridge of the Century: A History of the 38 Special

Era of the Classic Snubnose Revolver - Firearms News

Is a single action revolver a good gun for beginners? - Quora

S&W 64-3 Mystery Parts : r/Revolvers

Firearms, Ammunition, and Accessories 2023-09-26 Auction - 317 Price Results - Alderfer Auction in PA

American Handgunner July/August 1977

38 S&W Variants and History - Shooting Times

photo.weaponsystems.net/image/s-lightbox/n-M10%20M

Colt Army Special .32-20 WCF Revolver

The .38 Smith & Wesson: History And Performance

S&W 64-3 Mystery Parts : r/Revolvers

ONLINE ONLY AUCTION: Rifles, Shotguns, Handguns and Ammo - Sundgren Realty