1. The larger opportunities for research on the relations of solar and terrestrial radiation;Abbot;Proc. Natl. Acad. Sci. U.S.A.,1920
2. Determination of the intensity of the solar radiation outside the earth's atmosphere, otherwise termed “the Solar Constant of Radiation,”;Abbot,1908
3. Radiation and terrestrial temperature;Abbot,1908
4. The reflecting power of clouds;Aldrich;Annals of the Astrophysical Observatory of the Smithsonian Institution, vol. 4, appendix III,1922
5. Arrhenius, S., , Philos. Mag., 41, Ser. 5 237-276 1896,