The New York Public Library’s Digital Collection has plates of Polish uniforms from 1633 to 1787.
The Miniature Wargaming Editor
Late Roman Lion Rampant Variant
The I Live With Cats Blog has a variant for Lion Rampant featuring Late Romans.
Battle of Britain Rules and Playing Pieces
The Battle of Britain is a complete strategic game for refighting the epic battle of 1940.
Battleshift Space Fleet Combat
Battleshift is a set of space fleet combat rules for big fleet battles.
Atomic Rockets Site
Pulp fans may find the Atomic Rocket site interesting. It has a wealth of information on the imaginary rocket ships of the 1930s, 1940s and 1950s.