The Wyoming Valley, Upper Waters of the Susquehanna, and the Lackawanna Coal-region

Wyoming Valley, Upper Waters of the Susquehanna, and the Lackawanna Coal-region

[Including Views of the Natural Scenery of Northern Pennsylvania : From the Indian Occupancy to the Year 1875]

The Natural Style in Landscape Gardening

Natural Style in Landscape Gardening

Thoughts on Natural Philosophy and the Origin of Life

[With a New Reading of Newton's First Law]

Footprints of Life, Or, Faith and Nature Reconciled

The Pennsylvania-German in the Field of the Natural Sciences

Pennsylvania-German in the Field of the Natural Sciences

Essays

Sketches of the History of Man (Natural Law and Enlightenment Classics)

Don Juan Valera: Apuntes Del Natural

A Year of Sport and Natural History

[Shooting, Hunting, Coursing, Falconry and Fishing]

Dies Dominica

[Being Hymns and Metrical Meditations for Each Sunday in the Natural Year]

A Text-book on Natural Philosophy

[For the Use of Schools and Colleges : Containing the Most Recent Discoveries and Facts Compiled From the Best Authorities]

(3rd Ed.)

History of Bucks County, Pennsylvania, From the Discovery of the Delaware to the Present Time

(2nd Ed., Rev. And Enl. / With a Genealogical and Personal History of Bucks County, Prepared Under the Editorial Supervision of Warren S. Ely and John W. Jordan.)