Principles of secondary education ; a text-book.

Mode of access: Internet.

The principles of teaching, based on psychology,

Mode of access: Internet.

A history of philosophy : from Thales to the present time /

Vol. II has title: History of Philosophy ... With additions by the translator, an appendix on English and American philosophy, by Noah Porter ... on Italian philosophy, by Vincenzo Botta ...

Principles of economics,

Mode of access: Internet.

Principles of psychology /

Includes index.

Some leading principles of political economy newly expounded [electronic resource] /

Reproduction of original from Harvard Law School Library.

Principles of politi

Mode of access: Internet.

Principles of rural economics

Mode of access: Internet.

Principles of chemistry; an introductory textbook of inorganic, organic, and physiological chemistry for nurses and students of home economics and applied chemistry, with laboratory experiments,

Mode of access: Internet.

The principles of projective geometry applied to the straight line and conic,

Mode of access: Internet.

The first principles of evolution,

"Literature": p. 321-328.

Principles of human physiology.

Mode of access: Internet.

Principles of human physiology : with their chief applications to pathology, hygiène, and forensic medicine

Mode of access: Internet.

Principles of general physiology,

Bibliography: p. 737-823. p.741-827.

Principles of the law of property / by John E. Cribbet.

Bibliographical footnotes.