Here’s a neat photo album – history of the US Philippine War 1899 – 1902.
For many years, George’s Nafziger’s collection of orders of battle for conflicts dating from the 1600s to the 1900s have been a mainstay of the historical wargaming community.
Once available only commercially, Nafziger recently donated his collection to the Army’s Combined Arms Research Library.
Here’s a selection of downloadable flags for the Russian Civil War. That’s a period I’ve always wanted to paint and game. I can’t imagine a more colorful selection of armies and characters.
Here’s a large selection of color plates of the uniforms of Norway and Sweden from 1500 – 1909.
Gary’s Combat Vehicle Reference Guide is what it says it is.