Pennsylvania University – författare

Science Of Animal Locomotion (zoopraxography)

An Electro-photographic Investigation Of Consecutive Phases Of Animal Movements

Science Of Animal Locomotion (zoopraxography)

An Electro-photographic Investigation Of Consecutive Phases Of Animal Movements

Publications Of The University Of Pennsylvania

Contributions To The Geometry Of The Triangle By R.j. Aley

Publications Of The University Of Pennsylvania

Contributions To The Geometry Of The Triangle By R.j. Aley

University Lectures Delivered by Members of the Faculty in the Free Public Lecture Course

University Lectures Delivered By Members Of The Faculty In The Free Public Lecture Course, Volume 1