[Columbia University.]

[Columbia University.]

[Columbia University.]

[Columbia University.]

[Columbia University.]

[Columbia University.]

[Columbia University commencement.]

Columbia University, Library

Columbia University

[Columbia University Library.]

[Columbia University, Earl Hall.]

[Columbia University, Havemeyer Hall.]

[Low Library, Columbia University.]

[Columbia University, Low Library.]

[Columbia University Library.]

[Columbia University, Library.]

[Columbia University commencement.]

[Columbia University.]

[Columbia University, engineering building.]

[Low Library, Columbia University.]