Capacity and Current Density Effects in the Argon and Hydrogen Spectra Charles Sheard.Charles Sheard1908
Recollections of Revolutionary Times; Or, Round About the Yule-log, by a Church-warden. Illustrated by Charles G. Bush and Reginald T. Sperry.Nathan Boughton Warren1895
The use of aircraft in forestry Charles Gilbert Sperry. Winning essay of the sixth annual W.E. Boeing scholarships, Boeing School of Aeronautics, Oakland, California.Charles Gilbert. Sperry1935