权威例句
HELEN KELLERHelen KellerHelen KellerHellen KellerHelen Keller in Scotland : a personal record written by herselfDiscussion Following Presentations by Helen Keller, Armin von Bogdandy and Daniel BodanskyHelen Keller, her Socialist years : writings and speechesThe World I Live In , by Helen KellerHelen Keller's journal, 1936-1937.Helen Keller Services for the BlindLa escritora Helen Keller, durante algunos momentos de descansoHelen Keller durante un acto público en FilipinasHelen Keller : selected writings