This folder contains correspondence and other documents dealing with company operations, legal matters, and issues relating to the First World War. Among the correspondents are Edison, Walter S. Mallory, and Harry F. Miller. There are also letters by Stephen B. Mambert, vice president, financial executive, and later president of EPCCo; and by Frank L. Dyer, general counsel. Some of the letters pertain to costs at the Stewartsville works. Additional letters concern the impact of the war on the cement industry; coal shortages; and organizational changes at the cement and storage battery companies.

Approximately 10 percent of the documents have been selected. The unselected material includes monthly statements of regional sales; invoices; and documents concerning stock transactions and other company finances. Many of the unselected items pertain to transactions with other Edison companies.