Percy A. Wagner1885 — 1929 · 3 obras en el catálogoObrasTThe geology of north-eastern part of the Springbok Flats andThe geology of north-eastern part of the Springbok Flats and surrounding countryTThe preliminary report on the platinum deposits in the southThe preliminary report on the platinum deposits in the south-eastern part of the Rustenburg district, TransvaalDDie diamantführenden gesteine SüdafrikasDie diamantführenden gesteine Südafrikas
TThe geology of north-eastern part of the Springbok Flats andThe geology of north-eastern part of the Springbok Flats and surrounding country
TThe preliminary report on the platinum deposits in the southThe preliminary report on the platinum deposits in the south-eastern part of the Rustenburg district, Transvaal