Apology for New Principles in Education (Classic Reprint)

Principles Methods in Vital-Art Education (Classic Reprint)

Principles and Methods in Vital-Art Education (Classic Reprint)

The College Course in the Principles of Education (Classic Reprint)

Principles Methods in Vital-Art Education (Classic Reprint)

Piano Teaching: Its Principles and Problems (Classic Reprint)

Principles and Methods of Arithmetic Teaching (Classic Reprint)