Letter from ? Hyneman to Isaac Leeser;June 08, 1852 Letter from ? Hyneman to Isaac Leeser discussing a circular related to a book. Hyneman requests Leeser's assistance in securing subscriptions for the book's publication in New York, and asks for names of people in New York, Baltimore, and elsewhere who might help. Hyneman mentions having 16 subscribers already, each committed to 10 copies. The letter is written from the writer's office, "Masonic Union & Keystone," in Philadelphia.