by Yale University

1913

by Yale University. Sheffield Scientific School. Class of 1900

1922

by Yale University

1917

by Yale University. School of Forestry

1923

by Yale University

1921

by Yale University. Class of 1900

1905

by Yale University. Sheffield Scientific School

1914

by Ian James Craib, Yale University. School of Forestry

1929

by Yale University. School of Forestry

1924

by Yale University

1907

by Yale University. Library

1901

by Yale University

1922