Laughlin, Harry Hamilton

1880

• Duration of the several mitotic stages in the dividing root-tip cells of the common onion
• A report of the Special committee on immigration and alien insane submitting a study on Immigration-control
• Immigration and conquest
• Racing capacity in the thoroughbred horse
• The second International Exhibition of Eugenics held September 22 to October 22, 1921, in connection with the Second International Congress of Eugenics in the American Museum of Natural History, New York