While searching for something else, I stumbled upon this site.
The Civil War in America from
http://beck.library.emory.edu/iln/volume.php
If you click on Articles, you will come to the Volumes.
It is written very much from a UK perspective but does give some information about troop movements, dates and the like.
How much use it will be in tracing family history, I don't know, but some of the drawings are very good.
Regards
Chas
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