Studies Concerning the Retention of Organic Materials by Clays / David C. Frost, Harold W. Gausman.David Frost1966
Speculation on recovery of rubidium-86 from clays / Harold W. Gausman, David C. Frost.H. W. Gausman1964
J. Frederick Muller & Harold W. Rusch Muller Rusch String Method for Class or Individual Study Violi 1961PDF4.3 MB
The Other War, Being Chapters by John Hilton, P. H. Kerr, Alec Loveday, Harold Mess, and Joseph Thorp on Some Causes of Class Misunderstanding.John Hilton1917EN
Consumer-buying in the Educational Program for Homemaking; Suggestions for Teachers of Homemaking in Secondary School and Adult Class ... 1935. United States Department of the Interior, Harold L. Ickes, Secretary. Office of Education, J.W. Studebaker, Commissioner.Beulah Isabelle Coon1935EN