N=P P=04882 IFS JHR ref=IFS ref=JHR José Gonçalves da Fonseca Explorations made in the Valley of the River Madeira, from 1749 to 1868 Navegação yING National Bolivian Navigation Co. 1875 y18 y187 JOSE GONCALVES DA FONSECA EXPLORATIONS MADE IN THE VALLEY OF THE RIVER MADEIRA, FROM 1749 TO 1868 NAVEGACAO NATIONAL BOLIVIAN NAVIGATION CO. GONCALVES COM