Columbia University [Office for students from other lands.]
Columbia University [Office for students from foreign lands.]
Columbia University [Sign for the office of students from other lands.]
Columbia University [Students and professor in an office.]
Columbia University [Professor with students in an office.]
Columbia University [Professor with student in an office.]
Columbia University [Students in a professor's office.]
Columbia University [Student with professor in an office.]
Columbia University [Professor with a student.]
Columbia University [Students talking.]
Columbia University [Group of students.]