Delépinne, Berthe. Elizabeth. Reine des Belges (Brussels: Willy Godenne, 1954)
1954
Holder, Artur. Leonard Bernstein (Berlin: Rembrandt, 1961)
1961
Delamain, Jacques. Portraits D’Oiseaux (Paris: Editions Stock, 1938)
1938
Reiss, Curt. Knaurs Weltgeschichte der Schallplatte (Zurich: Droemersche, 1966)
1966
Huxley, Julian. At the Zoo (Woking: Unwin, 1936)
1936
Howard, Len. Birds as Individuals (London: Collins, 1952)
1952
Clark, Ronald W. The Huxleys (London: Heinemann, 1968)
1968
Leakey, J.H. School Errant (London: Dulwich College Preparatory School, 1951)
1951
MacDonald, Malcolm. The Birds of Brewery Creek (London: Oxford University Press, 1947)
1947
Silberman, Fred. Jungles and Skyscrapers (London: [no publisher], 1940)
1940
Seton-Thompson, Ernest. Wild Animals I Have Known (London: David Nutt, 1901)
1901
BBC Natural History Recordings (London: BBC, 1961)
1961
Chapuis, Alfred. Automates. Machines Automatiques et Machinisme (Geneva: Publications Techniques, 1928)
1928
Stern-Rubarth, Edgar. Drei Männer suchen Europa (Munich: Willi Weismann, 1947)
1947
Michaelberten, Walter. Musik und Mikrophon (Dusseldorf: Schwann, 1951)
1951
Raphaël, Samson. Pour Poser un Diagnostic (Brussels: Meddens, [no date])
Tiessen, Heinz. Musik der Natur (Freiburg: Atlantis, 1953)
1953
Radio and Television Who’s Who, 1950-1951 (London: Vox Mundi, 1950)
1950
Berry, M.F. and Brock, D.W.E. Hunting by Ear (London: H.F. & G. Witherby, 1937)
1937