Angola and the River Congo, vol. 1
CHAPTER V.
COUNTRY FROM THE RIVER CONGO TO AMBRIZ--VEGETATION--TRADING-- CIVILIZATION--COMMERCE--PRODUCTS--IVORY--MUSSERRA--SLEEP DISEASE--SALT--MINERAL PITCH 100
Angola and the River Congo, vol. 1
COUNTRY FROM THE RIVER CONGO TO AMBRIZ--VEGETATION--TRADING-- CIVILIZATION--COMMERCE--PRODUCTS--IVORY--MUSSERRA--SLEEP DISEASE--SALT--MINERAL PITCH 100