Letter from Alfred T. Jones to Isaac Leeser;August 01, 1862 Alfred T. Jones writes to Isaac Leeser to authorize the marriage of Simon Isaac Hamburger and Sarah Benedictus de Gorter on August 10, 1862, at 3 o'clock. The second page of the letter contains a series of numbers and place names, possibly related to military troop deployments or other numerical data. The meaning of these notations is unclear.