Phylogeny of the Waxwings and Allied Birds
Volume 3, No. 3, pp. 473-530, 49 figures in text, 13 tables
October 10, 1951
UNIVERSITY OF KANSAS LAWRENCE 1951
UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY
Editors: E. Raymond Hall, Chairman, Edward H. Taylor, A. Byron Leonard, Robert W. Wilson