[Carta] 1954 Apr. 29, Columbia University in the City of New York, New York 27, N. Y., [EE.UU.] [a] The Honorable Gabriela Mistral, co Miss Doris Dana, 15 Spruce Street, Roslyn Harbor, L. I., New York, [EE.UU.] [manuscrito] / Richard R. Powell, Director of the Bicentennial.

[Carta] 1954 Apr. 29, Columbia University in the City of New York, New York 27, N. Y., [EE.UU.] [a] The Honorable Gabriela Mistral, co Miss Doris Dana, 15 Spruce Street, Roslyn Harbor, L. I., New York, [EE.UU.] [manuscrito] / Richard R. Powell, Director of the Bicentennial. 1 h. ; 28 cm. + anexo (2 h. ; 28 cm.)