LIPPINCOTT’S
EDUCATIONAL SERIES

EDITED BY
MARTIN G. BRUMBAUGH, Ph.D. LL.D.
PROFESSOR OF PEDAGOGY, UNIVERSITY OF PENNSYLVANIA, AND COMMISSIONER
OF EDUCATION FOR PUERTO RICO

VOLUME I


Lippincott Educational Series

EDITED BY DR. M. G. BRUMBAUGH

Professor of Pedagogy, University of Pennsylvania

VOLUME I

Thinking and Learning to Think

By Nathan C. Schaeffer, Ph.D., LL.D., Superintendent of Public Instruction for the State of Pennsylvania. 351 pages. Cloth, $1.25.

VOLUME II

Two Centuries of Pennsylvania History

By Isaac Sharpless, President of Haverford College. 385 pages. Illustrated. Cloth, $1.25.

VOLUME III

Kemp’s History of Education

By Dr. E. L. Kemp, Principal of East Stroudsburg Normal School. 385 pages. Cloth, $1.25.

VOLUME IV

Kant’s Educational Theory

By Edward Franklin Buckner, Ph.D., Professor of Philosophy and Education in the University of Alabama. 309 pages. Cloth, $1.25.


Lippincott’s Educational Series

THINKING
AND
LEARNING TO THINK

BY
NATHAN C. SCHAEFFER, Ph.D., LL.D.
SUPERINTENDENT OF PUBLIC INSTRUCTION FOR
THE STATE OF PENNSYLVANIA

PHILADELPHIA
J. B. LIPPINCOTT COMPANY
1906

Copyright, 1900
by
J. B. Lippincott Company

ELECTROTYPED AND PRINTED BY J. B. LIPPINCOTT COMPANY, PHILADELPHIA, U.S.A.