American Museum Novitates, 1931-1955. Complete set of 66 papers. About 1650 pages. 'The classic achievement in the study of subspecies of South American birds.' Stresemann. Complete sets of this work are rarely offered. 'An Ornithological Gazetteer of Peru (Based on Information Compiled by J. T. Zimmer),' American Museum Novitate Number 2491, 1972 by Charles Vaurie is included with the set.