6, 636 p., 17 folded leaves of plates : ill, maps ; 25 cm.
Notes
"al-Ṭabʻah 1.: ʻām 1903"--P. before t.p.
Translation of: Report upon the basin of the Upper Nile : with proposals for the improvement of that river. To which is attached a Report upon Lake Tsana and the rivers of the eastern Soudan / by C. Dupuis.