Pittsburgh, Pennsylvania, U.S.A. Hunt Inst for Botanical Document, The personal copy of Gavin Bridson, the compiler and editor, with his signature at fly leaf. Also included is a laid-in copy of "Provisional list of corrections to BPH/S" dated 1997. 872 pp. Hardcover, red cloth, thick 4to., gilt title. Fine copy; boards and cloth clean and tight. Contents fine; text is bright and unmarked. Bridson is the late bibliographer who specialized in the natural sciences and finished his distinguished career at the Hunt Inst at Carnegie Mellon Univ. 4to. Fine / No Jacket.