"On the single roll of this microfilm publication is reproduced an alphabetical card index to the compiled service records of volunteer Union soldiers belonging to units from the State of Alabama. ... The index and the compiled service records ... are part of a body of records in the National Archives designated as Record Group 94, Records of the Adjutant General's Office." -- p. 1-2.

"On the 10 rolls of this microfilm publication are reproduced the compiled service records of volunteer Union soldiers belonging to the First Regiment of Alabama, Cavalry. This regiment is the only organization of Union troops from Alabama for which the National Archives has separate compiled service records, except those organizations redesignated as U. S. Colored Troops. ... The compiled service records reproduced in this microcopy and the index ... are part of a body of records in the National Archives designated as Record Group 94, Records of The Adjutant General's Office." -- p. 1-2.