-1966 1893-1961 1899-1975 1901-1970 20thcentury adventureandadventurers adventurestories amazonrivervalley american bessie biography charles china churchhistory correspondence descriptionandtravel diaries dorothy ewing foreigncorrespondents gunther headhunters history indiansofsouthamerica john journalism missionaries prohme rainforestpeople rainforests rayna sheean sources thompson travelupdegraff unitedstates vincent