Columbia University [Crowded bookstore.]
Columbia University [Students playing cards.]
Columbia University [Students in the campus bookstore.]
Columbia University [Students in a crowded campus bookstore.]
Columbia University [Students in a campus bookstore.]
Columbia University [In one year, Columbia professors wrote this many books.]
Columbia University [Mass examination.]
Columbia University [Aerial view of the campus.]
Columbia University [David Anderson, Columbia psychology lecturer, experiments with a rat to teach it to pull a chain and get food.]
Columbia University [Man reading in a library.]
Columbia University [Man studying in a library.]
Columbia University [Coach Gus Peterson demonstrating wrestling techniques.]
Columbia University [Columbia University flag.]