You may also wish to search for items by Hennings, V. and Hennings.
Only one matching reference was found.
Hennings, V.P.; Weber, U.V., Vapor Pressure, Heats of vaporization, and Distillation Behavior of the System Cyclohexanone-Cyclohexanol, J. Prakt. Chem., 1962, 18, 91-6. [all data]