The New York Public Library’s digital holdings have an amazing collection of color plates of British uniforms from 1066 – 1900. These are great painting guides.
Dark City Games’ Legends of the Untamed West is a tactical RPG for the 1800s American West. The system is based on the wonderful Fantasy Trip system that originally was published in the micro games format. If you’re familiar with the Fantasy Trip, you know that it makes for just as good a miniatures system as an RPG.
The Great Game is a set of rules for a two player card game in which the Russians and British vie for dominance in Central Asia.
In N scale here are some free paper models of the tracks of Chicago’s famous “L”.