Contains among other things: Statutes of the Pomona Diamond Society of 27 June 1912.

Contains among other things: Articles of Association of the Company. Berlin, 1911 and 1912.

Contains among other things: Activity reports of the geologist Paul Range.

Contains among other things: On the legal relations between the miners and landowners in some of the most important colonies and in the draft of a new mining code for D e u t s c h - S ü d w e s t a f r i k a, 1904

Contains among other things: English mining regulations for African colonies