| A First Year in Canterbury Settlement | English | May 1, 2002 |
| Alps and Sanctuaries of Piedmont and the Canton Ticino | English | April 1, 2001 |
| Atlas of ancient & classical geography | English | November 21, 2005 |
| Cambridge Pieces | English | June 1, 2002 |
| Canterbury Pieces | English | June 1, 2002 |
| Erewhon Revisited Twenty Years Later, Both by the Original Discoverer of the Country and by His Son | English | November 1, 1999 |
| Erewhon; Or, Over the Range | English | September 1, 1999 |
| Essays on Life, Art and Science | English | October 1, 2002 |
| Evolution, Old & New: Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck,: as compared with that of Charles Darwin | English | November 9, 2007 |
| Ex Voto: An Account of the Sacro Monte or New Jerusalem at Varallo-Sesia: With Some Notice of Tabachetti's Remaining Work at the Sanctuary of Crea | English | May 1, 2003 |
| God the Known and God the Unknown | English | February 1, 2001 |
| Hudibras, in Three Parts, Written in the Time of the Late Wars | English | January 1, 2004 |
| Life and Habit | English | July 1, 2004 |
| Luck, or Cunning, as the Main Means of Organic Modification | English | January 1, 2004 |
| Selections from Previous Works: With Remarks on Romanes' Mental Evolution in Animals, and a Psalm of Montreal | English | October 24, 2006 |
| The Fair Haven | English | July 1, 2004 |
| The Humour of Homer and Other Essays | English | June 1, 2004 |
| The Iliad | English | June 1, 2000 |
| The Note-Books of Samuel Butler | English | July 1, 2004 |
| The Odyssey: Rendered into English prose for the use of those who cannot read the original | English | April 1, 1999 |
| The Way of All Flesh | English | February 1, 2000 |
| Unconscious Memory | English | October 1, 2004 |