Company K, Twentieth Regiment, Illinois Volunteer Infantry: Roll and Record, April 24, 1861 - July 16, 1865, by Brown, Andrew, is an important historical source documenting the events and participation of a specific military unit during the American Civil War. This book collects information about the composition of "Company K", its role in the battles, life, captures and losses during the long period of the war. Through voluminous records and an extensive list of personnel, the auditor opens up the opportunity to learn more about the lives and service of soldiers during a difficult historical period.