I have a set of Library of Congress knowledge cards. There are 48 informative cards that features a photograph or engraving on one side of well known and lesser known participants with biographacial and historical text on the other.
Link to Amazon for US cards is http://www.amazon.com/Civil-War-Unio...=pd_rhf_shvl_1
Link to Amazon for CS cards is http://www.amazon.com/Civil-War-Know.../dp/0764906135
Sell for $5 each