Books by Warren Colburn
Introd. to Algebra upon the In
Introd. to Algebra upon the Inductive Method of Instruction
Warren Colburn's First Lessons
A Key Containing the Answers to the Examples in the Introduction to Algebra Upon the Inductive ..
A Key Containing the Answers to the Examples in the Introduction to Algebra ..
Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to Intellectual Arithmetic
Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ..
First Lessons in Arithmetic: On the Plan of Pestalozzi, with Some Improvements