Columbia University Library, New York.

Columbia University Library, New York.

Low Memorial Library, Columbia University, New York City

Library, Columbia University, New York.

Library, Kent Hall, St. Paul's Chapel and Hamilton Hall from South Field, Columbia University, New York.

Library, Columbia University, New York, N.Y.

Library, Columbia University, New York, N.Y.

Interior of Library, Columbia University, New York.

The Library of Columbia University, New York City.

Columbia University Library, New York.

Library, Columbia University, New York.

Library of Columbia University, New York

Columbia University, New York

Library, Columbia University, New York City

The Old Library, Columbia University

The Library, Columbia University, New York.

Columbia University, New York.

The Library of Columbia University, New York City

Columbia University, New York.

The Library, Columbia University