JOHN GOULD AND WILLIAM HART (19th Century)

JOHN GOULD AND WILLIAM HART (19th Century), Pachycephala Schlegeli (Regent Whistler), Birds of New Guinea c.1880, published by Walter, together with another by Hart, Ephthanura Crocea (Yellow Chat), Birds of New Guinea c.1888, published by Mintern Bros., both 20" x 13 1/2", framed (2)