Application, curriculum vitae, certificates and recommendations, 1929-1930; application, curriculum vitae, certificates and recommendations for bride Else Hoppe, 1930; employment contract as boatman, 1930; letters and reports from New Guinea, 1930-1939; accommodation of son Günther and relocation to his parents in Australia, 1945-1948

Application, CV and certificates, 1928-1929; Information about Loos, 1928-1929; Correspondence about further education, 1930; Employment contract as carpenter of the RMG in New Guinea, 1931; Letters and reports from there, 1931-1932; Decision not to serve the Lutheran Mission, 1932; Correspondence about further employment of Loos, 1933-1937; Employment certificate, 1937