The principles of teaching, based on psychology,

Mode of access: Internet.

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.

Principles of nuclear reactor engineering,

Bibliographical footnotes.

Principles of high-polymer theory and practice; fibers, plastics, rubbers, coatings, adhesives,

Includes bibliographies.