Ralph Waldo Emerson (美)爱默生(Ralph Waldo Emerson)著 Ralph Waldo Emerson: Lecture Memoir of Ralph Waldo Emerson [(美)爱默生(Ralph Waldo Emerson)著 (美) 爱默生(Ralph Waldo Emerson)著 (美)爱默生(Ralph Waldo Emerson)[著 [(美)爱默生(Ralph Waldo Emerson)著] 拉尔夫·沃尔多·爱默生Ralph Waldo Emerson (美)爱默生(Ralph Waldo Emerson)[著]