from early stages of German polar research, i. e. the papers from Alfred Wegener (NL 2), from Johannes Georgi (NL 3) from Fritz Loewe (NL 4), from Hermann Junghenn (NL 7), from Bernhard Brockamp (NL 12) [...] German expedition to Antarctica from 1938 to 1939, headed by Alfred Ritscher (S 1), and a stamp collection on polar research, which includes not only individual commemorative stamps but also 21 albums [...] g. to the first and second German expedition to Greenland or to Wegener's expedition to this island (S 4), and a collection of 80 documentaries in different formats and on different media on expeditions