Columbia University [Students playing cards.]

Columbia University [Students playing cards.]

Columbia University [Rehearsals for the Greek Games.]

Columbia University [Crowded bookstore.]

Columbia University [Student studying in Butler Library.]

Columbia University [Law students holding a mock trial.]

Columbia University [Mass examination.]

Columbia University [Students playing cards.]

Columbia University [Students playing cards.]

Columbia University [Students playing cards.]

Columbia University [Students playing cards.]

Columbia University [Students rehearsing an opera.]

Columbia University [Students drawing a nude model in an art class.]

Columbia University [In one year, Columbia professors wrote this many books.]

Columbia University [Students playing cards.]

Columbia University [Students playing cards.]

Columbia University [Women learning cooking techniques.]

Columbia University [Man reading in a library.]

Columbia University [Man studying in a library.]

Columbia University [David Anderson, Columbia psychology lecturer, experiments with a rat to teach it to pull a chain and get food.]