Contains among other things: South Australia. Government Resident's report on northern territory for the year 1890. Palmerston, 1890 G. Volkens, report on my trip to the South Seas. I. Part New Guinea, Bismarck Archipelago, Marshall Islands

Contains among other things: Report on the expedition to explore the regions between Gogol and Ramun The Gogol-Ramu expedition in Kaiser-Wilhelmsland September and October 1913 (reprint) Berlin 1916

Contains among other things: Report about the Gogol-Ramu expedition 1913

Contains among other things: 2 maps of Kaiser-Wilhelmsland, M.: 1:2 000 000

Contains: Sample of a type of pea cultivated there

Contains: Use of palmadum nuts in the button industry