1. Letter and Envelope from J. Heinz to Capt. C. G. Ducker, January 17, 1903 Date: 1903-01-17 Description: Letter from "your friend" J. Heinz to Capt. C.G. Ducker thanking him for help after the tragedy that "has stricken our congregation" and Dr. Muller's offer to hold German services at St. Johannes every second Sunday.