Philosophers

The Last Enemy

Two Years and Four Months in a Lunatic Asylum

The Trail of the Tramp

Iamblichus' Life of Pythagoras, or Pythagoric Life

Adam Smith

A Biographical Dictionary of Ancient, Medieval, and Modern Freethinkers

Biography and bibliography of Jesse Walter Fewkes

Haeckel : his life and work

Steve P. Holcombe, the Converted Gambler: His Life and Work

A Discourse on the Life, Character and Writings of Gulian Crommelin Verplanck

Thomas Paine, the Apostle of Liberty

Both Sides of the Couch

The Subversive Simone Weil

A Friend From Beyond the Grave

An Oration on the Life and Services of Thomas Paine

The Life of Hugo Grotius

The Life and Writings of Blaise Pascal

The Education of Henry Adams

The Contributions of Hypatia

A Mind That Found Itself: A Memoir