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- Contributor is exactly "Biehrmann, Walter; Schultze, Leonhard"
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Sepik River in two sheets: Ambunti to Mountain Gate
1st September 1943. Based on maps "Der Sepik und sein stromgebiet," by Dr. Walter Biehrmann and "Der Sepik" (kaiserin August strom), by Prof. Dr. Leonhard Schultze Jena. Additional information furnished by local informants.…
Sepik River in two sheets: mouth to Ambunti
1st September 1943. Based on maps "Der Sepik und sein stromgebiet," by Dr. Walter Biehrmann and "Der Sepik" (kaiserin August strom), by Prof. Dr. Leonhard Schultze Jena. Additional information furnished by local informants.…