John Roscoe Clark profile picture

John Roscoe Clark

Is this your author profile? Create an account to claim and customize it!

Scientific Method in the Reconstruction of Ninth-Grade Mathematics A Complete Report of the Investigation of the Illinois Committee on Standardization of Ninth-Grade Mathematics, 1913-1918
Fundamentals of High School Mathematics A Textbook Designed to Follow Arithmetic
Fundamentals of High School Mathematics A Textbook Designed to Follow Arithmetic