The Anne SK Brown and John Hay Library at Brown University
link
Collections page – link
Video of some of the collection
YouTube link
Catalog for digital collection
link
Has an incredible collection of Soldiers, and lots of other research items
"It contains approximately 12,000 printed books, 18,000 albums, sketchbooks, scrapbooks and portfolios, (containing thousands of prints and drawings), and over 13,000 individual prints, drawings and water-colors as well as a collection of 5,000 miniature lead soldiers." The 5,000 is now approaching 6,000 lead Britians, Heyde and others