Witu Society. - Acquisitions of the Denhardt brothers in Witu: Vol. 3 Add to clipboard BArch, R 1001/424 File Juli 1885 - Nov. 1886 Part of Federal Archives (Archivtektonik) Contains among other things: 2 letters of the Sultan of Witu with power of attorney for Clemens Denhardt from 31. Jan. 1886 to Emperor Wilhelm I. In: companies >> German Witu Society >> Witu Society. - Acquisitions of the Denhardt brothers in Witu