Columbia University. View of Low Library and northeast campus.

Columbia University. Rendering of 116th Street entrance pylons.

Columbia University. Facade of Low Library.

Columbia University campus.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Low Memorial Library at Columbia University.

Columbia University. Philosophy Building, view of facade and left wall.

Columbia University. University Hall perspective.

Columbia University. Perspective drawing of University Hall.

Bellevue Hospital. Perspective view from river.

Trustees' Room in Low Memorial Library, Columbia University.

Stairs to Low Memorial Library at Columbia University.