U. S. History: The Nineteenth Century and the Civil War: Civil War Official Records and Rosters

Some collections of documents are available online through Google Books, HathiTrust, or another text archive.  

Documents of Confederate States, 10 v.  SpCol: E464.D63 1860.

Contains the constitution, laws, documents, and Senate journals of the Confederacy.

Official Records of the Union and Confederate Navies in the War of the Rebellion, (1894-1922) 30 v., SpCol: E591.U58.

            Issued in the two series, 1.  Reports of both Union and Confederate naval operations and 2. Reports on the condition of the Union navy and the construction of the Confederate navy, statistical data, and information on property and prisoners captured.   A separate index volume is included. Online at: Making of America at Cornell University. 

 The Medical and Surgical History of the War of the Rebellion, (1870-88) 2 v. in 6 parts plus 3 v. index, SpCol: RD205.U5.

Includes the reports submitted by the medical officers in the field and extensive statistical tables.  Prepared by the Office of the Surgeon General.  Has a comprehensive three volume index.

 The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, 70 v. Hodges Stacks: E464.U6 1971; SpCol: E464.U6 (1880-1901).

Published by the War Department in the late 19th century, this set of Official Records (as it is frequently known) is a comprehensive source for all the union and confederate records, including reports on battles and official correspondence.  Final volume is an index to names, places, regiments and battle.  Online at: Making of America at Cornell University.

 Supplement to the Official Records of the Union and Confederate Armies, Main:  E464.U61 1994.

            Contains information left out of The War of the Rebellion, including correspondence, reports, itineraries of units and records of events.

The Roster of Confederate Soldiers, 1861-1865, Hodges Stacks:  E548.R65 1995.

            This sixteen-volume set is organized alphabetically by name of soldier.  Includes state of service, regiment, company and rank.

 The Roster of Union Soldiers, 1861-1865, Hodges Stacks:  E494.H4 1997.

            Organized by state.  Provides name, state, regiment, company and rank for each soldier, including Colored Troops.