The three volume set of Samuel Francis Du Pont's selection of Civil War letters arrived through ILL. If you have an interest in the topic of this forum this trio is a must read. The letters this fellow wrote to his wife appear to be more newsy than those written to others in the chain of command, painting a picture of true conditions not stated in those to whom he was subordinate to.

Samuel Francis Du Pont
A Selection From His Civil War Letters
Edited by John D. Hayes
Published For the Eleuterian Mills Historical Library
Cornell University Press, Ithaca New York 1969