You may also wish to search for items by Weatherford, R. and Weatherford.
Only one matching reference was found.
Weatherford, R.M.; Van Winkle, M., Vapor-Liquid Equilibria of the Quinary System Hexane, Methylcyclopentane, Cyclohexane, Benzene, and Toluene, J. Chem. Eng. Data, 1970, 15, 386. [all data]