SHH IX:18
Walker Map of 1849: Central America including Texas, California and the Northern States of Mexico. Chapman and Hall (London). (3 copies). G3290.S7060W3.
SHH II:B:11
P.H. BELL, Washington, May 23, 1856, to Major BOWMAN, requesting that Lieutenant Walter H. STEVENS of the Engineer Corps, recently assigned coast survey duty in California, be allowed to go on with his performance in Texas. 1p. 10 x 7...