Columbia University Library, New York.

Columbia University Library, New York.

Low Memorial Library, Columbia University, New York City

Library, Columbia University, New York.

Columbia University, New York, Looking from Hamilton Hall.

Columbia University Library, New York.

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, Columbia University, New York, N.Y.

South Field, Columbia University, New York.

Columbia University, New York

Library, Columbia University, New York City

St. Paul's Chapel, Hamilton Hall, and Hartley Hall at Columbia University.

Library of Columbia University, New York

The Library, Columbia University, New York.

Columbia University, New York.

The Library of Columbia University, New York City