1. Über Betacyane, die stickstoffhaltigen Farbstoffe der Centrospermen. Vorläufige Mitteilung
2. (b) ?The Betalains, a Class of Red Pigments in the Centrospermae?, in ?Recent Advances in Phytochemistry?, Eds. and Appleton-Century-Crofts, New York, 1968, Vol. 1, p. 145-160
3. (c) ?Betalains, Red-Violet and Yellow Alkaloids of the Centrospermae?, in ?Chemistry of the Alkaloids?, Ed. Van Nostrand Reinhold, 1970, p. 367-384
4. new series;Mabry,1980
5. (e) ?The Betalains: Structure, Biosynthesis, and Chemical Taxonomy?, Eds. and in ?The Biochemistry of Plants?, Ed. Academic Press, New York-London-Toronto-Sydney-San Francisco, 1981, Vol. 7, p. 557-575