Group of (2) books on Randolph B. Marcy's explorations, to include: ''Exploration of Red River Louisiana in 1852,'' by Randolph B. Marcy, 1854, Washington: A.O.P. Nicholson, including numerous illustrations, title page stamped ''Geo. R. Brush M.D., US Navy, Sayville, L.I., N.Y, 286pp; and ''Map of the Country between The Frontiers of Arkansas and New Mexico,'' by cpt. R.B. Marcy 5th U.S. Infy, printed by H. Lawrence, and ''Map of the Country Upon Upper Red River, Explored in 1852'', by Capt. R. B. Marcy, 5th U.S. Infy, printed by H. Lawrence, both bound in one book. Tanning, foxing, tear to Arkansas map. Red River book 9-1/4''l, 6-1/4''w. Provenance: Acquired by descent from Dr. George R. Brush, of the settling Brush family of Southold, Long Island, New York.