by Johns Hopkins University

1902

by Johns Hopkins University

1911

by Johns Hopkins University

1889

by Johns Hopkins University. Peabody Institute. Library, George Peabody Library

1883

by Johns Hopkins University

1888

by Johns Hopkins University

1895

by Johns Hopkins University. School of Hygiene and Public Health. Library

1922

by Johns Hopkins University. Peabody Institute. Library, George Peabody Library

1904

by Johns Hopkins University. Library

1910

by Johns Hopkins University

1930

by Johns Hopkins University

1930

by Johns Hopkins University

1882