4th Regiment, Connecticut Infantry


 * Mustered in May 21, 1861.
 * Designation of regiment changed to 1st Conn. Heavy Artillery January 2, 1862. (See 1st Heavy Artillery.)
 * Organized at Hartford.


 * Catalogue of the 1st, 2d, 3d, 4th, and 5th regiments, Connecticut volunteers, 1861 by the Adjutant General's Office at the Salt Lake City Family History Library.
 * Catalogue of Connecticut volunteer organizations, with additional enlistments and casualties to July 1, 1864. Compiled From Records in the Adjutant General's Office and Published by Order of the Legislature, by Horace J. Morse - Adjutant General - Online Book
 * Catalogue of Connecticut volunteer organizations: (infantry, cavalry, and artillery,) in the service of the United States, 1861-1865, with additional enlistments, casualties, &amp;c., &amp;c., and brief summaries, showing the operations and service of the several regiments and batteries (1869) by Connecticut. Adjutant-General's Office; Ingersoll, Colin M. (Colin Macrae), 1819-1904 - Online Book
 * 3rd Connecticut Infantry - Connecticut State Library, Brady Collection of Civil War Photographs

Also see Connecticut in the Civil War.