1. Beiträge zur Kenntniss des Anisaldehyds
2. ?The Infra-Red Spectra of Complex Molecules?, Second Edition, 1958, p. 118; London: Methuen & Co. Ltd., New York: John Wiley & Sons, Inc.
3. Infrared Absorption Spectroscopy, Second Printing, 1964, p. 36, Holden-Day, Inc., San Francisco, and Nankoda Co. Ltd., Tokyo.
4. ?Structure and Mechanism in Organic Chemistry?, 1st Ed., 1953, Chap. IX, Bell and Sons, Ltd., London.