Columbia University, N.Y.

Columbia University, New York.

Columbia University, New York

Columbia University, New York

Columbia University Library, New York.

Columbia University. Library. New York.

Columbia University Library, New York.

Library, Columbia University, New York.

Library, Columbia University, New York.

Columbia University Library, New York.

Columbia University Library, New York.

[Columbia University.]

Columbia University, New York.

Library of Columbia University, New York

Library of Columbia University, New York.

Library, Columbia University, New York City

Library of Columbia University, New York

Interior of Library -- Columbia University, New York.

Interior of Library, Columbia University, New York.

Columbia University, New York, Group of Buildings