Prof. Dr. G. Kampffmeyer, "In my Morocco. In the car from Casablanca to Marrakesh" - In: Berliner Tagesblatt and Handelszeitung (morning edition) - 42nd century (1913), No. 578 Zur Zwischenablage hinzufügen BArch, N 2225/125 Akt(e) 13. Nov. 1913 Teil vonFederal Archives (Archivtektonik) In: Newspaper cuttings and printed matter Pfeil, Joachim Graf von