5 books
Investigations of Infra-Red Spectra: Part I. Infra-Red Absorption Spectra; Part II. Infra-Red Emission Spectra (Classic Reprint)
Supplementary Investigations of Infra-Red Spectra: Part V Infra-Red Reflection Spectra, Part Vi Infra-Red Transmission Spectra, VII Infra-Red Emission Spectra (Classic Reprint)
A Physical Study of the Firefly (Classic Reprint)
A Physical Study of the Firefly
Carnegie Institution of Washington Publication