Columbia University [Students and professors in a meeting.]

Columbia University [Students and professors in a meeting.]

Columbia University [Professors and students in a meeting.]

Columbia University [Columbia University flag.]

Columbia University [Columbia University gate.]

Columbia University [Columbia University pennant.]

Columbia University [Columbia University gates.]

Columbia University [Columbia's board of trustees.]

Columbia University [Columbia gates.]

Columbia University [Man holding a large box.]

Columbia University [Class at Columbia University.]

Columbia University [Man holding a large box.]

Columbia University [Person holding a bright light.]

Columbia University [Professor teaching a class.]

Columbia University [Professor teaching a class.]

Columbia University [Professor teaching a class.]

Columbia University [Professor teaching a class.]

Columbia University [Professor teaching a class.]

Columbia University [Professor teaching a class.]

Columbia University [Man holding a bright light.]