The Nile in the Sudan:
L. Berry
The Nile in the Sudan: Repr. from ''The Geographical Journal'', vol. 134, part 1 - No publisher, 1968 - p. 1-37, 29 cm
--Geology--Sudan--Offprint--Water--Nile Valley
The Nile in the Sudan: Repr. from ''The Geographical Journal'', vol. 134, part 1 - No publisher, 1968 - p. 1-37, 29 cm
--Geology--Sudan--Offprint--Water--Nile Valley