Bigelow Frank Hagar

Report On The Temperatures And Vapor Tensions Of The United States Reduced To A Homogeneous System Of 24 Hourly Observations For The 33-Year Interval, 1873-1905...

A Treatise On The Sun's Radiation And Other Solar Phenomena In Continuation Of The Meteorological Treatise On Atmospheric Circulation And Radiation,

A Treatise On The Sun's Radiation And Other Solar Phenomena, In Continuation Of The Meteorological Treatise On Atmospheric Circulation And Radiation, 1915