Hiscox, G. D., & Sloane, T. O. (1965). Henley's twentieth century book of formulas, processes and trade secrets: A valuable reference book for the home factory, office laboratory and the workshop, containing ten thousand selected household, workshop and scientific formulas, trade secrets, chemical recipes, processes and money saving ideas for both the amateur and professional worker (New rev. and enl. ed.). Books.

Hiscox, Gardner Dexter, и Thomas O'Connor Sloane. Henley's Twentieth Century Book of Formulas, Processes and Trade Secrets: A Valuable Reference Book for the Home Factory, Office Laboratory and the Workshop, Containing Ten Thousand Selected Household, Workshop and Scientific Formulas, Trade Secrets, Chemical Recipes, Processes and Money Saving Ideas for Both the Amateur and Professional Worker. New rev. and enl. ed. New York: Books, 1965.

Hiscox, Gardner Dexter, и Thomas O'Connor Sloane. Henley's Twentieth Century Book of Formulas, Processes and Trade Secrets: A Valuable Reference Book for the Home Factory, Office Laboratory and the Workshop, Containing Ten Thousand Selected Household, Workshop and Scientific Formulas, Trade Secrets, Chemical Recipes, Processes and Money Saving Ideas for Both the Amateur and Professional Worker. New rev. and enl. ed. Books, 1965.