Letter from Abraham de Sola to Isaac Leeser;April 29, 1864Letter from Abraham de Sola to Isaac Leeser discussing the sale of books, financial matters, and various personal updates. De Sola mentions delays in receiving Leeser's letter, the potential sale of books, and outstanding payments. He also shares information about his upcoming commitments, including an address at McGill University and other academic work. The letter contains details about his correspondence with several individuals, including Mr. Joseph, and Mrs. Nadper. The letter also contains personal greetings to Miss Grats.