"On the 212 rolls of this microfilm publication are reproduced 231 volumes (Instruction Books) containing copies of letters sent by the Office of the Attorney General, 1867-70, and by its successor, the Department of Justice, 1870-1904 ..."--p. 1.
"The records reproduced in this microfilm publication are from Record Group 60, General Records of the Department of Justice in the National Archives"--p. [2] of cover.