1. Unifying the Aims of Science Teaching;Gruenberg;School and Society,Jan. 31, 1925
2. C urtis , F rancis D ay Some Values Derived from Extensive Reading of General Science Columbia Contributions to Education
3. Caldwell , Otis and Finley G. Biology in the Public Press Lincoln School, Teachers College, Columbia University
4. Caldwell , Otis and Slosson E. Science Remaking the World