Research Centre for Colonial Mining Add to clipboard B.2.23 Fonds 1929-1945 Part of University Archive of the Freiberg Mining Academy In: University Archive of the Freiberg Mining Academy >> Mining Academy holdings from 1872 to 1945 >> Institutes and Chairs
The usable mineral deposits of D e u t s c h - O s t a f r i k a Add to clipboard 8914 Item 1941 Part of Montanhistoric Documentation Centre The exploitable mineral deposits of Deutsch-Ostafrika / Friedrich Schumacher ; Nikolai ThammVerlag: Berlin : de Gruyter In: monographs
