| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation — Volume 10
Asia, Part III | Hakluyt, Richard, 1552-1616 | en | | | | | 2004-04-01 |
| Principles of Orchestration
With musical examples drawn from his own works | Rimsky-Korsakov, Nikolay, 1844-1908 | en | | | | | 2010-09-29 |
| Principal Cairns | Cairns, John, 1818-1892 | en | | | | | 2004-02-01 |
| The Moon
A Full Description and Map of its Principal Physical Features | Elger, Thomas Gwyn, 1838-1897 | en | | | | | 2006-02-07 |
| A Practical Discourse on Some Principles of Hymn-Singing | Bridges, Robert, 1844-1930 | en | | | | Hymns; Church music -- Protestant churches | 2007-06-06 |
| Principles of Teaching | Bennion, Adam S., 1886-1958 | en | | | | | 2005-12-14 |
| The Principles of English Versification | Baum, Paull Franklin | en | | | | | 2007-05-07 |
| Principles of Mining
Valuation, Organization and Administration | Hoover, Herbert, 1874-1964 | en | | | | Mines and mineral resources; Mining engineering; Mineral industries -- Finance | 2008-09-24 |
| A Plea for the Criminal
Being a reply to Dr. Chapple's work: 'The Fertility of the
Unfit', and an Attempt to explain the leading principles
of Criminological and Reformatory Science | Kayll, James Leslie Allan, 1873-1944 | en | | | | Crime; Criminals; Reformatories; Chapple, William Allan, 1864-1936. The fertility of the unfit | 2009-04-29 |
| An Architect's Note-Book in Spain
principally illustrating the domestic architecture of that country. | Wyatt, Matthew Digby, 1820-1877 | en | | | | | 2010-09-30 |
| Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society | Bagehot, Walter, 1826-1877 | en | | | | Political science; Nationalism; Evolution | 2003-08-01 |
| Contemporary American Composers
Being a Study of the Music of This Country, Its Present
Conditions and Its Future, with Critical Estimates and
Biographies of the Principal Living Composers; and an
Abundance of Portraits, Fac-simile Musical Autographs, and | Hughes, Rupert, 1872-1956 | en | | | | Music -- United States -- History and criticism; Composers -- United States -- Biography | 2007-12-10 |
| Steam Turbines
A Book of Instruction for the Adjustment and Operation of
the Principal Types of this Class of Prime Movers | Collins, Hubert E. (Hubert Edwin), 1872-1932 | en | | | | | 2009-01-02 |
| The Child at Home
The Principles of Filial Duty, Familiarly Illustrated | Abbott, John S. C. (John Stevens Cabot), 1805-1877 | en | | | | | 2006-06-07 |
| Some Principles of Maritime Strategy | Corbett, Julian S. (Julian Stafford), 1854-1922 | en | | | | | 2005-02-16 |
| A Catechism of Familiar Things;
Their History, and the Events Which Led to Their Discovery.
With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. | Anonymous | en | | | | | 2005-09-20 |
| Voice Production in Singing and Speaking
Based on Scientific Principles (Fourth Edition, Revised and Enlarged) | Mills, Wesley, 1847-1915 | en | | | | | 2006-11-20 |
| The Sceptical Chymist
or Chymico-Physical Doubts & Paradoxes, Touching the Spagyrist's Principles Commonly call'd Hypostatical; As they are wont to be Propos'd and Defended by the Generality of Alchymists. Whereunto is præmis'd Part of another Discour | Boyle, Robert, 1627-1691 | en | | | | | 2007-10-08 |
| Principle and Practice
The Orphan Family | Martineau, Harriet, 1802-1876 | en | | | | Orphans -- Fiction; Brothers and sisters -- Fiction | 2007-10-20 |
| The Principal Navigations, Voyages, Traffiques and Discoveries of
the English Nation. Vol. XIII. America. Part II. | Hakluyt, Richard, 1552-1616 | en | | | | Explorers -- North America -- Letters; Voyages and travels; Discoveries in geography -- English | 2008-05-29 |
| Manures and the principles of manuring | Aikman, Charles Morton | en | | | | Fertilizers; Manures | 2008-11-16 |
| An Essay on True and Apparent Beauty in which from Settled Principles is Rendered the Grounds for Choosing and Rejecting Epigrams | Nicole, Pierre, 1625-1695 | en | | | Cunningham, J. V. (James Vincent), 1911-1985 [Translator] | | 2009-05-22 |
| The Ancient Life History of the Earth
A Comprehensive Outline of the Principles and Leading Facts of
Palæontological Science | Nicholson, Henry Alleyne, 1844-1899 | en | | | | | 2004-12-06 |
| Socialism
A Summary and Interpretation of Socialist Principles | Spargo, John, 1876-1966 | en | | | | | 2007-09-23 |
| The Path-Way to Knowledg
Containing the First Principles of Geometrie | Record, Robert, 1510?-1558 | en | | | | | 2010-07-05 |