by Columbia University

1922

by United States. Congress. House. Committee on the District of Columbia

1976

by Columbia University

1928

by Columbian College in the District of Columbia

1919

by Medical Society of the District of Columbia. Committee on History

1909

by Medical Society of the District of Columbia

1909

by Columbia University. School of Dental and Oral Surgery

1927

by United States. Congress. Senate. Committee on the District of Columbia

1975

by Columbia College (New York, N.Y.)

1919

by Columbia University. Libraries

1925

by Columbia University

1924

by Columbia University

1930