About some tropical crops and their culture in the German colonies [(Lecture, at the request of the Braunschweig Department of the Deutsche Kolonialgesellschaft held in Braunschweig on 21 February 1911)] Zur Zwischenablage hinzufügen Cod. Ms. A. Peter 97 Akt(e) 1911 Teil vonLower Saxony State and University Library Göttingen In: Teilnachlass Albert Peter - Manuskripte
