1. , Vanillin, in: (Ed.) Kirk-Othner Encyclopedia of Chemical technology, Vol. 21, 2nd Ed. John Wiley & Sons, New York 1970, pp. 180-196.
2. Vanillin, in: , , (Eds.) Kirk-Othner Encyclopedia of Chemical technology, Vol. 23, 3rd. Ed. John Wiley & Sons, New York 1983, pp. 704-717.
3. Lignin Structure and Morphological Distribution in Plant Cell Wall, in: , , (Eds.) Lignin Biodegradation: Microbiology, Chemistry and Potential Application, Vol. 1, CRC Press, Boca Raton 1980, pp. 1-20.
4. Production of Vanillin by Oxidation of Pine Kraft Lignins with Oxygen