This folder contains correspondence and other documents relating to Edison's personal investments and other financial interests. Included are letters pertaining to bond transactions; receipts of payments made to employees and family members; and reports of an audit prepared for the Edison companies by the accounting firm of Lybrand, Ross Bros. & Montgomery. The following companies are included: Edison Business Phonograph Co., Edison Manufacturing Co., Edison Phonograph Works, and National Phonograph Co.

Approximately 10 percent of the documents have been selected. The items not selected consist primarily of routine correspondence and receipts.