Mackenzie, D. The flooding of the Sahara : an account of the proposed plan for opening central Africa to commerce and civilization from the north-west coast : with a description of Soudan and Western Sahara, and notes on ancient manuscripts, etc. / by Donald Mackenzie; D. Mackenzie .— : Sampson Low Marston Searle & Rivington, 1877 .— 351 с. — Lang: eng .— URL: https://rucont.ru/efd/130249 (дата обращения: 14.11.2025)