Ralph waldo emerson Ralph Waldo Emerson : 美爱默生(Ralph Waldo Emerson)著 Ralph waldo emerson： lecture Nelson, Waldo Emerson. Memoir of Ralph Waldo Emerson 美爱默生(Ralph Waldo Emersom)著 (美)爱默生(Ralph Waldo Emerson)著 [美]爱默生(Ralph Waldo Emerson)著 (美)爱默生(Ralph Walde Emerson)著
