The golden trade: or, A discouery of the riuer Gambra, and the golden trade of the Aethiopians : Also, the commerce with a great blacke merchant, called Buckor Sano, and his report of the houses couered with gold, and other strange obseruations for the good of our owne countrey; set downe as they were collected in trauelling, part of the yeares, 1620. and 1621. By Richard Iobson, Gentleman.