Liste der Werke aus Washington, DC
Heliographic positions of sun-spots ...observed at Hamilton College from 1860 to 1870 ; Washington, DC 1907
Catalogue of stars within two degrees of the north ...deduced from photographic measures made at Vassar College Observatory ; Washington, DC 1905
Preliminary general catalogue of 6188 stars for the epoch ...including those visible to the naked eye and other well-determined stars ; Washington, DC 1910
7 weitere Werke.