Commodore 64 - Colossus Chess IV - Firebird Floppy

Vintage George Koltanowski's Chess Problems George Koltanowski Booklet

100 Chess Problems / End Games A Hundred Solutions Illus by B. Scriven - UPL

100 Chess Problems For the Novice and the Master Illustrated B. Scriven 1940s

Vtg How to Solve Chess Problems~Kenneth S Howard~ Dover Publications 1961

THE LEGACY OF THE GREAT WAR Problems in European Civilization Keylor 1919 Book

CHESS PROBLEMS: Their Composition and Solution By James Rayner 1948 Illustrated