The SciencesSeptember 12, 1896
The Oldest Civilized Men
Stories by E. D. Cope
The SciencesMay 6, 1893
The Genealogy of Man
The SciencesJanuary 1, 1886
The Present Condition of the Yellowstone National Park
The SciencesDecember 26, 1885
The Present Condition of the Yellowstone National Park
The SciencesNovember 15, 1884
On Catagenesis
The SciencesJuly 7, 1883
The Developmental Significance of Human Physiognomy