scholarly article published in The Condor in January 1969

scholarly article published in The Condor in May 1932

scientific chapter published in 1976

scholarly article published in The Condor in March 1933

scholarly article published in The Condor in January 1937

scholarly article published in The Condor in January 1947

scholarly article published in The Auk, April 1947

scholarly article published in The Condor in January 1933

article

scholarly article published in The Condor in March 1958

scholarly article published in The Condor in May 1962

scholarly article published in The Condor in January 1931

scientific article published in 1971

scholarly article published in The Condor in May 1955

scientific article (publication date: April 1954)

scholarly article published in The Condor in July 1971