Haggerty reading examination, Sigma 1 for grades 1-3Melvin E. Haggerty · First published 1926Open the Tome
Haggerty reading examination, Sigma 3 for grades 6-12Melvin E. Haggerty · First published 1922Open the Tome
Rural School Survey of New York State; Educational AchievementMelvin E. 1875-1937 Haggerty · First published 2018Open the Tome
An experimental study of the imitative tendency in monkeysMelvin E. Haggerty · First published 1909Open the Tome
