Autograph Letter Signed

1864. ("S. Austin Allebone") in black ink, 2 pages on bifold leaf, 5" x 8". Philadelphia, December 1, 1864. Very good (small traces of pervious mounting on back page). To Rev. D.A. N. . . He thanks him for a copy of "The Life of Doddridge" and requests information on his series of Christian Classics. In part: "I am pleased my observations on indexes have been useful. . .". Signed by Author(s). No Binding. Very Good.