Frederick H. Dyer, A
Compendium of the War of the
Rebellion (originally published
in Des Moines, IA : Dyer Pub. Co.,
1908. A reprint edition is currently available at $125, but it should
be located in many larger libraries) [Three volumes, including v.1.
Number and organization of the armies of the United
States; v.2.
Chronological record of the campaigns, battles, engagements, actions,
combats, sieges, skirmishes, etc., in the United States, 1861-1865; and
v.3. Regimental histories [extracted here as Union
regimental
histories]
The Official
Records [of the Union and Confederate Armies]
Search contents [here]
or [here]
The Official
Records [of the Union and Confederate Navies]
Search contents [here]
or [here]
or check excerpts [here]