Personal Records of the Kaufmanns C. F. Wetschky, member of the Elberfelder Missionsgesellschaft; Missions-Nachrichten aus aller Welt, Mitgliederlisten, Mitgliederversammlungen; Elberfelder Bibelgesellschaft, Barmer Missionsverein, Wupperthaler Tractat-Gesellschaft, Gesellschaft der Menschenfreunde; Hallisches Missionsseminar, Baseler Missions-Institut, Jänickesche Missionsschule in Berlin; New evang. Church in Barmen; London Society for the Promotion of Christianity among the Israelites; list of meetings in the area; world map of 1820, silhouettes, engravings, leaflets, Dr.; News of the expansion of the Kingdom of Jesus in general and through missionaries among the Gentiles, Vol. 5, H.4, 1819;[Diarium bound in leather, 1958 handed over to the RMG by H. Bächtold, Basel]

Correspondence on various questions of cooperation; flyer: Memories of Goßner's legacy, 1908; 3 resolutions of the Goßner Mission concerning its independent continuation, Dr., 1920; Disputes about advertising work in Minden-Ravensberg, especially by Cand. Wilh. Heß, 1936-1938; Agreement of the Goßnerschen and Rheinische Mission about their work in the Ravensberger Land, 1938; Flyer: To the registered friends and staff of the Goßnersche Mission, Sept. 1939; A door into the world, in (Mainz-)Kastel e. interesting student residence, Dr., 1949; correspondence about mission professorship at Mainz University, 1948-1949