The Feldmachink is a device that allows full hidden movement in any miniatures wargame system without a referee. You can get instructions for it here.
Paper Brick Building
Clifford Button of Paper Tiger Armanents offers a free 1/72 scale brick structure. It was inspired by a building in the Strand district in Galveston, Texas.
Fallout Miniatures Rules
Fallout is a legendary computer role playing game. Set in a post nuclear world, it has a 1950s science fiction aura. Here’s a miniatures game set in that world.
British and Commonwealth Decorations
For you colonial gamers, here is a page with useful information on British and Commonwealth Orders and Decorations.
Aeronef Logs
Similar in spirit to the late, lamented Space:1889 cloudships rules, Aeronef is about Victorian era armored flying gunships. There are some outstanding ships’ logs for the game here.