Recomputation of the position of the ecliptic from observations of the sun, in the years, 1877-1886, and corrections to refraction in meridian observations of stars, sun, moon, and planets, for revised readings of the exterior thermometer, and of the barometer, in the years 1877-1886 Q Science
Explorations on the west coast of Florida and in the Okeechobee wilderness : with special reference to the geology and zoology of the Floridian peninsula : a narrative of researches undertaken under the auspices of the Wagner Free Institute of Science of Philadelphia Q Science
Observations made with the Cookson floating zenith telescope in the years 1911-1918 at the Royal observatory, Greenwich, for the determination of the variation of latitude and the constant of aberration Q Science
On the torsion resulting from flexure in prisms with cross-sections of uni-axial symmetry only Q Science
