• Thumbnail for Deutsche Mathematik
    1933–1937. Oldenbourg Akademieverlag. p. 86. ISBN 978-3-05-003877-3. Friedrich Drenckhahn (Jan 1937). "Das Gesetz zum Schutze des deutschen Blutes und der...
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  • Thumbnail for Vow of allegiance of the Professors of the German Universities and High-Schools to Adolf Hitler and the National Socialistic State
    (Civil engineer, Hannover), Heinz Dotterweich (Dresden zoologist), Friedrich Drenckhahn (Rostock teacher), Johannes von den Driesch (Bonn teacher), Karlfried...
    38 KB (3,707 words) - 03:34, 6 October 2024
  • from Tell Harmal", Sumer, vol. 9, iss. 2, pp. 241–253, 1953 [17] Drenckhahn, Friedrich, "A geometrical contribution to the study of the mathematical problem...
    12 KB (1,351 words) - 01:36, 10 July 2024
  • Thumbnail for Lüneburg
    Peter Gravenhorst, DP 1958–1961: Wilhelm Hilmer, SPD 1961–1964: Erich Drenckhahn, CDU 1964–1978: Alfred Trebchen, SPD 1978–1981: Heinz Schlawatzky, SPD...
    61 KB (6,772 words) - 00:01, 23 October 2024