Enthält u.a.: On the itabrities of the Schinga Valley (Togo), Saint-Etienne 1935 Gold in Togo, Saint-Etienne 1935

Contains among other things: Digging in the protectorate of Cameroon. Ordinance of 28 Nov. 1892 Draft Mining Ordinance

Enthält u.a.: The Financier and Bullionist, London, May 1909 Nigeria Bitumen Corporation Ltd. Directors’ Report and Accounts, December 1908 Expeditionsberichte

Contains among other things: Liesegang, results of mining and geological research in the French Congo region and in the part ceded to Germany. December 1911 Législation Minière des Colonies et Pays de Protectorat de l'Afrique continentale autres que l'Algérie et la Tunisie, Paris 1907

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