| title | creator | language | description | tableOfContents | contributor | subject | created |
| A Matter of Importance | Leinster, Murray, 1896-1975 | en | | | | | 2007-11-26 |
| The Mansion of Mystery
Being a Certain Case of Importance, Taken from the Note-book of Adam Adams, Investigator and Detective | Steele, Chester K. | en | | | | | 2005-07-04 |
| The Importance of Being Earnest | Wilde, Oscar, 1854-1900 | en | | | | Drama; Comedies | 1997-03-01 |
| The Importance of the Proof-reader
A Paper read before the Club of Odd Volumes, in Boston, by John Wilson | Wilson, John, 1826- | en | | | | | 2008-12-21 |
| The Life of the Truly Eminent and Learned Hugo Grotius
Containing a Copious and Circumstantial History of the Several Important and Honourable Negotiations in Which He Was Employed; together with a Critical Account of His Works | Burigny, Jean Lévesque de, 1692-1785 | en | | | | | 2005-04-12 |
| Cotton is King, and Pro-Slavery Arguments
Comprising the Writings of Hammond, Harper, Christy,
Stringfellow, Hodge, Bledsoe, and Cartrwright on This
Important Subject | | en | | | Elliott, E. N. [Editor] | Scott, Dred, 1809-1858; United States. Fugitive slave law (1850); Slavery -- United States; Slavery -- Justification | 2009-02-20 |
| Sermons on Various Important Subjects | Lee, Andrew | en | | | | | 2005-02-13 |
| Folkways
A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals | Sumner, William Graham, 1840-1910 | en | | | | | 2008-01-11 |
| K. K. K. Sketches, Humorous and Didactic
Treating the More Important Events of the Ku-Klux-Klan Movement in the South.
With a Discussion of the Causes which gave Rise to it, and the Social and Political Issues Emanating from it. | Beard, James Melville | en | | | | | 2010-08-02 |
| Disputed Handwriting
An exhaustive, valuable, and comprehensive work upon one of the most important subjects of to-day. With illustrations and expositions for the detection and study of forgery by handwriting of all kinds | Lavay, Jerome Buell, 1860- | en | | | | Forgery; Graphology; Writing -- Identification | 2004-11-10 |
| Key-Notes of American Liberty
Comprising the most important speeches, proclamations, and
acts of Congress, from the foundation of the government
to the present time | Various | en | | | | | 2009-05-15 |
| A Succinct View of the Importance and Practicability of Forming a Ship Canal across the Isthmus of Panama | Hill, H. R. | en | | | | Canals, Interoceanic; Panama Canal (Panama) | 2009-06-29 |
| Ted Marsh on an Important Mission | Sherwood, Elmer, 1884- | en | | | Carsey, Alice [Illustrator] | Boys -- Juvenile fiction; Boy Scouts -- Juvenile fiction; Detective and mystery stories | 2009-05-12 |
| An Impartial Narrative of the Most Important Engagements Which Took Place Between His Majesty's Forces and the Rebels, During the Irish Rebellion, 1798. | Jones, John, of Dublin | en | | | | | 2009-04-08 |