James Bruce's Travels in Abyssinia and Nubia 1768 - 1773

You can download the full book here:

https://ia802604.us.archive.org/35/items/brucestravelsan01brucgoog/brucestravelsan01brucgoog.pdf

An account of the life and writings of James Bruce...author of Travels to discover the source of the Nile 

by Murray Alexander, published 1808  

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PDF version:  https://ia601408.us.archive.org/34/items/accountoflifewri00murr/accountoflifewri00murr.pdf