On the Connexion of the Physical Sciences

Physical Amusements and Diverting Experiments Composed and Performed in Different Capitals of Europe, and in London

Man and Nature; Or, Physical Geography as Modified by Human Action

A Lecture on Physical Development, and its Relations to Mental and Spiritual Development, delivered before the American Institute of Instruction, at their Twenty-Ninth Annual Meeting, in Norwich, Conn., August 20, 1858