1 microfilm reel ; 35 mm.
The collection comprises Carl Diercke's letter book no. 1 (letters out), pp. 1-41, 24 January, 1907-22 August, 1908; Carl Diercke's letter book no. 2 (letters out), pp. 1-47, 11 October, 1908-14 May, 1909; and, Carl Diercke's letter book no. 3 (letters out), pp. 1-100, 13 September, 1909-4 July, 1910.
The collection also includes letters received by Carl Diercke, Rudolf Diercke, Helmuth Bertig, et al., no. 1-40, 1888-1964; letters received by Carl Diercke, Rudolf Diercke, et al., no. 41-80, 1895-1964; letters relating to the publication of an English translation of Richard Parkinson's book, Dreissig Jahre in der Südsee (Thirty years in the South Seas), 1970-1985; and, the United States Navy Hydrographic Office emergency reproduction from the German chart, S-Stiller Ozean, Insel Bougainville, Tinputz-& Teop Hafen, Maszstab 1:25000, 1911.