Health Certificate, 1927; Vow of Deputation and Instruction, 1928; Correspondence (also with Luise Seidel, his bride), 1928-1930; Briefe u. Reports from Bumbuli, 1928-1939; Photos from the carpentry workshop in Bumbuli, 1930; Medical certificates for the Schelp family, 1940-1942; Obituary for Gustav Schelp, 1950; Correspondence with the Schelp couple, 1940-1950; Correspondence with Mrs Schelp, 1950-1968