Warren Colburn – författare

First Lessons in Arithmetic

On the Plan of Pestalozzi, With Some Improvements

First Lessons in Arithmetic

On the Plan of Pestalozzi, With Some Improvements

Colburn's First Lessons

Intellectual Arithmetic

Colburn's First Lessons

Intellectual Arithmetic

Intellectual Arithmetic

Upon the Inductive Method of Instruction

Intellectual Arithmetic

Upon the Inductive Method of Instruction

Arithmetic Upon the Inductive Method of Instruction

Being a Sequel to Intellectual Arithmetic

Arithmetic Upon the Inductive Method of Instruction

Being a Sequel to Intellectual Arithmetic

Warren Colburn's First Lessons

Warren Colburn's First Lessons

Colburn's First Lessons

Intellectual Arithmetic, Upon The Inductive Method Of Instruction

Colburn's First Lessons

Intellectual Arithmetic, Upon The Inductive Method Of Instruction

Introduction to Algebra

Upon the Inductive Method of Instruction

Introd. to Algebra Upon the Inductive Method of Instruction

Introduction to Algebra

Upon the Inductive Method of Instruction

Introd. to Algebra Upon the Inductive Method of Instruction

Intellectual Arithmetic

Intellectual Arithmetic

Second Lessons In Reading And Grammar, For The Use Of Schools

Key Containing the Answers to the Examples in the Introduction to Algebra Upon the Inductive Method of Instruction