Elements of General Science. Laboratory Problems. By O.W. Caldwell ... W.L. Eikenberry ... and Earl R. Glenn
Glenn-Welton Chemistry Achievement Test
Glenn-Welton Chemistry Achievement Test
Glenn-Obourn Physics Achievement Test
Bibliography of Science Teaching in Secondary Schools. Compiled by E. R. Glenn, assisted by Josephine Walker
Glenn-Obourn Physics Achievement Test
Glen-Welton Chemistry Achievement Test
Instructional Tests in Chemistry
Past and Present Practice in High School Library Book Selection from the Viewpoint of a Science Teacher
Cooperative Work in the Organization of Local Material for General Science Instruction
High School Library Book Selection
A Description of the Science Laboratories of the Lincoln School of Teachers College
Instructional Tests in General Science
Instructional Tests in Physics
Insrtuctional Tests in Chemistry
New Types of High School Chemistry Tests for Instructional Purposes
Instructional Tests in General Science, Etc. [With "Key" and "Teacher's Manual."].
Instructional Tests in Chemistry, Etc. (Teacher's Manual.-Keys and Directions for Scoring.).
Instructional Tests in Physics, Etc. (Teacher's Manual.-Key and Directions for Scoring.).