| title | creator | language | description | tableOfContents | contributor | subject | created |
| Lectures on Land Warfare; A tactical Manual for the Use of Infantry Officers
An Examination of the Principles Which Underlie the Art of Warfare, with Illustrations of the Principles by Examples Taken from Military History, from the Battle of Thermopylae, | Anonymous | en | | | | Military art and science; Tactics | 2007-11-14 |
| Principles Of Political Economy
Abridged with Critical, Bibliographical, and Explanatory Notes, and a Sketch of the History of Political Economy | Mill, John Stuart, 1806-1873 | en | | | Laughlin, J. Laurence (James Laurence), 1850-1933 [Editor] | | 2009-09-27 |
| Essays on Various Subjects
Principally Designed for Young Ladies | More, Hannah, 1745-1833 | en | | | | | 2006-10-21 |
| The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed. | Bloxam, Matthew Holbeche, 1805-1888 | en | | | | Architecture, Gothic -- England; Church architecture -- England | 2006-11-08 |
| Moral Principles in Education | Dewey, John, 1859-1952 | en | | | | | 2008-04-25 |
| Principles of Home Decoration
With Practical Examples | Wheeler, Candace, 1827-1923 | en | | | | | 2004-12-08 |
| A History of England Principally in the Seventeenth Century, Volume I (of 6) | Ranke, Leopold von, 1795-1886 | en | | | | Great Britain -- History -- Stuarts, 1603-1714; England -- Civilization -- 17th century | 2009-04-09 |
| The Social Principles of Jesus | Rauschenbusch, Walter, 1861-1918 | en | | | | Jesus Christ -- Teachings; Christian ethics; Christian sociology | 2009-09-05 |
| The Fundamental Principles of Old and New World Civilizations | Nuttall, Zelia | en | | | | | 2010-04-20 |
| Principles of Geology
or, The Modern Changes of the Earth and its Inhabitants
Considered as Illustrative of Geology | Lyell, Charles, Sir, 1797-1875 | en | | | | | 2010-07-22 |
| On The Principles of Political Economy, and Taxation | Ricardo, David | en | | | | | 2010-07-31 |
| The Code of Honor, Or, Rules for the Government of Principals and Seconds in Duelling | Wilson, John Lyde, 1784-1849 | en | | | | | 2004-07-01 |
| The Principal Navigations, Voyages, Traffiques, and Discoveries of The English Nation, Vol. XII., America, Part I. | Hakluyt, Richard, 1552-1616 | en | | | | | 2004-10-05 |
| The Principles of Breeding
or, Glimpses at the Physiological Laws involved in the
Reproduction and Improvement of Domestic Animals | Goodale, S. L. (Stephen Lincoln), 1815-1897 | en | | | | Livestock; Breeding | 2007-06-22 |
| Theory of Circulation by Respiration
Synopsis of its Principles and History | Willard, Emma, 1787-1870 | en | | | | Blood -- Circulation; Respiration | 2006-08-15 |
| The Lives of the Fathers, Martyrs, and Principal Saints
January, February, March | Butler, Alban | en | | | | | 2007-01-26 |
| Peter Piper's Practical Principles of Plain and Perfect Pronunciation | Anonymous | en | | | | Tongue twisters; Alphabet books | 2008-04-09 |
| The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation — Volume 09
Asia, Part II | Hakluyt, Richard, 1552-1616 | en | | | | | 2004-01-01 |
| Gentle Measures in the Management and Training of the Young
Or, the Principles on Which a Firm Parental Authority May Be
Established and Maintained, Without Violence or Anger, and the Right
Development of the Moral and Mental Capacities Be Promoted by Met | Abbott, Jacob, 1803-1879 | en | | | | | 2004-03-01 |
| The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation — Volume 11 | Hakluyt, Richard, 1552-1616 | en | | | | | 2004-06-01 |
| Masters of the English Novel
A Study of Principles and Personalities | Burton, Richard, 1861-1940 | en | | | | | 2004-06-25 |
| On the Execution of Music, and Principally of Ancient Music | Saint-Saëns, Camille, 1835-1921 | en | | | Bowie, Henry P. [Translator] | Music appreciation; Gregorian chants -- History and criticism | 2009-11-07 |
| Principles of Freedom | MacSwiney, Terence J. (Terence Joseph), 1879-1920 | en | | | | Irish question; Home rule -- Ireland; Liberty | 2004-08-07 |
| Moral Principles and Medical Practice
The Basis of Medical Jurisprudence | Coppens, Charles, 1835-1920 | en | | | | Medical jurisprudence; Medical ethics | 2006-06-18 |