TThe molecule and the atomThe molecule and the atomde George F. BarkerEdiciones (1)The molecule and the atom (1877)inglésMás obras de George F. BarkerRöntgen raysA text-book of elementary chemistry, theoretical and inorganicBBiographical memoir of Matthew Carey Lea, 1823-1897Biographical memoir of Matthew Carey Lea, 1823-1897
BBiographical memoir of Matthew Carey Lea, 1823-1897Biographical memoir of Matthew Carey Lea, 1823-1897
RReport on the contamination of the water of the Schuylkill RReport on the contamination of the water of the Schuylkill River