Guide and Index to the Texas Adjutant General Service Records, 1836-1935 is offered in a two-volume series that will guide the researcher to the wealth of information that is available both online and on microfilm while offering corrections to online mistakes. Most of the service records prior to the Frontier Forces and Frontier Battalions consist of documents that give evidence of service, but are not a printed form with the highlights of service written on it. Volume 1 is a cumulative index to the following service records: Army of the Republic of Texas, 1836-1845; Navy of the Republic of Texas, 1836-1845; Mounted Volunteers, 1854-1861; Minute Men, 1855-1862, 1872-1874; Texas State Troops, 1861-1865; Confederate States Army, 1861-1865; State Police, 1870-1871; Frontier Forces, 1870-1871; Frontier Battalion, 1874-1901; Texas Volunteer Guard, 1881-1903; United States Volunteers, 1898; Regular Rangers, 1855-1861, 1901-1935; Special Rangers, 1916-1934; Loyalty Rangers, 1918; Railroad Rangers, 1922-1935; and the Texas National Guard, 1901- ca. 1929. Volume 2 contains individual indexes to the following service records: Army of the Republic of Texas, Navy of the Republic of Texas, Mounted Volunteers, Minute Men, Texas State Troops, Confederate States Army, State Police, Frontier Forces, Frontier Battalion, Volunteer Guard, United States Volunteers, Regular Rangers, Special Rangers, Loyalty Rangers, and Railroad Rangers.