“Collector’s Edition” Campbell Institute Bulletin Volume 10.1-11.10 1913 [Premium Leather Bound]

A Short Biography Of John Leeth: With An Account Of His Life Among The Indians (1904)

The Rotation Period Of The Sun As Determined From The Motion Of The Calcium Flocculi (1908)

La Raza: Descubridores (1920) (Spanish Edition)

Thirty Years Of Paris And Of My Literary Life (1888)

Christ At The Well: Devotional Studies In The Fourth Chapter Of The Fourth Gospel (1897)

Message Of His Excellency John W. Geary To The General Assembly Of Pennsylvania, January 8, 1873 (1873)

Democracy Versus Socialism: A Critical Examination Of Socialism As A Remedy For Social Injustice And An Exposition Of The Single Tax Doctrine (1901)

Activity And Concentration, Transport Numbers And Boundary Potential (1916)