This letterbook covers the period February 1898-October 1901. Most of the letters are by Moriarty's private secretary, Gabriel Brossa, writing on behalf of Moriarty and the Edison-Bell Consolidated Phonograph Co., Ltd. The letters relate primarily to the business of the Edison-Bell company, of which Moriarty was managing director, and the Edison United Phonograph Co., of which he was vice president. Included are letters regarding the establishment of sales agencies in the United Kingdom, the reorganization of the Edison-Bell company, company finances, and travel arrangements. Also included is Moriarty's personal correspondence. The spine is stamped "Letter Book." The book contains 498 numbered pages and an index (not selected). Pages 320-498 are blank. Only eleven letters have been selected.