http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an experimental study of methods of selection and instruction
by Guy Montrose Whipple, with the cooperation of Dr. T. S. Henry, Dr. H. T. Manuel and Miss Genevieve Coy.
"Partial bibliography on gifted children and their education": pages 148-151.
School and home education monographs, no. 1