General Military History in 1973

Rank and File by Lynd, Alice

The Origins of the English Civil War by

Five Years a Dragoon ('49 to '54): And Other Adventures on the Great Plains by Lowe, Percival G.

From Superiority to Parity: The United States and the Strategic Arms Race, 1961-1971 by Unknown, Moulton, Harland B.

Warfare in Feudal Europe, 730 1200 by Beeler, John H.

Germany from Empire to Ruin, 1913-1945 by Meyer, Henry Cord

Gestalt Und Entwicklung Der Feudalen Eigenbefestigung Im Mittelalter by Mrusek, Hans-Joachim