Author: Crone, G.R.
Title: The Sources of the Nile: Explorers' maps A.D. 1856-1891. From the Society's collections with notes by G.R.Crone.
Description: London, 1964. 8 pp. (text booklet) & 9 loose plts with 14 col. & b./w. ills. In paper covered portfolio. Folio. (Royal Geographical Society - Reproductions of Early Maps VIII).

Keywords: Cartography Africa Cartografie Afrika