This folder consists primarily of agreements relating to the finances, patents, and corporate identity of the Edison Portland Cement Co. Included are the agreement to organize the company, signed by Edison and the investors on April 15, 1899; the agreement forming the Association of Licensed Cement Manufacturers on December 30, 1907; and other agreements involving Edison, the investors, and the company. Also included are several letters by Walter S. Mallory, vice president of the Edison Portland Cement Co., regarding his salary and personal finances. One undated memorandum was probably written by Mallory in 1893. The documents are from envelopes 71 and 79.