| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Observations of Henry | Jerome, Jerome K. (Jerome Klapka), 1859-1927 | en | | | | | 2006-03-07 |
| Observations Upon the Windward Coast of Africa | Corry, Joseph | en | | | | | 2004-06-01 |
| Ecological Observations on the Woodrat, Neotoma floridana | | en | | | | | 2010-08-29 |
| The Last Leaf
Observations, during Seventy-Five Years, of Men and Events in America and Europe | Hosmer, James Kendall, 1834-1927 | en | | | | | 2004-05-01 |
| The Grounds of an Opinion on the Policy of Restricting the Importation of Foreign Corn: intended as an appendix to "Observations on the corn laws" | Malthus, T. R. (Thomas Robert), 1766-1834 | en | | | | | 2003-08-01 |
| Chronicles (1 of 6): The Historie of England (1 of 8)
From the Time That It Was First Inhabited, Vntill the Time That It Was Last Conquered: Wherein the Sundrie Alterations of the State Vnder Forren People Is Declared; And Other Manifold Observations Rem | Holinshed, Raphael, -1580? | en | | | | | 2005-08-09 |
| A Narrative of the Mutiny, on Board the Ship Globe, of Nantucket, in the Pacific Ocean, Jan. 1824
And the journal of a residence of two years on the Mulgrave
Islands; with observations on the manners and customs of
the inhabitants | | en | | | | Globe Mutiny, 1824; Mili Atoll (Marshall Islands) | 2009-05-24 |
| Occult Chemistry
Clairvoyant Observations on the Chemical Elements | | en | | | Sinnett, A. P. [Editor] | | 2005-06-14 |
| The Adventures of Uncle Jeremiah and Family at the Great Fair
Their Observations and Triumphs | Stevens, C. M. (Charles McClellan), 1861- | en | | | | | 2006-12-26 |
| Three Years on the Plains
Observations of Indians, 1867-1870 | Tuttle, Edmund B. | en | | | | Indians of North America -- Great Plains; Indians of North America; Frontier and pioneer life -- West (U.S.) | 2007-01-28 |
| My Friends the Savages
Notes and Observations of a Perak settler (Malay Peninsula) | Cerruti, Giovanni Battista, 1850-1914 | en | | | Sanpietro, I. Stone [Translator] | Senoi (Southeast Asian people); Malay Peninsula -- Description and travel | 2009-02-25 |
| An Account of the expedition to Carthagena, with explanatory notes and observations | Knowles, Charles, Sir, 1704?-1777 | en | | | | Vernon, Edward, 1684-1757; Wentworth, Thomas, fl. 1741; Cartagena (Colombia) -- History -- Siege, 1741 | 2008-11-06 |
| Observations on the Effects of the Corn Laws, and of a Rise or Fall in the Price of Corn on the Agriculture and General Wealth of the Country | Malthus, T. R. (Thomas Robert), 1766-1834 | en | | | | Corn laws (Great Britain); Grain trade -- Great Britain | 2003-08-01 |
| Observations By Mr. Dooley | Dunne, Finley Peter, 1867-1936 | en | | | | Dooley, Mr. (Fictitious character) -- Fiction; Irish Americans -- Fiction | 2003-12-01 |
| New observations on the natural history of bees | Huber, François, 1750-1831 | en | | | | | 2008-08-28 |
| Observations on the Mussulmauns of India
Descriptive of Their Manners, Customs, Habits and Religious Opinions Made During a Twelve Years' Residence in Their Immediate Society | Meer Hasan Ali, Mrs. | en | | | Crooke, William, 1848-1923 [Editor] | India -- Social life and customs; Muslims -- India | 2004-08-07 |
| Observations on the Causes, Symptoms, and Nature of Scrofula or King's Evil, Scurvy, and Cancer
With Cases Illustrative of a Peculiar Mode of Treatment | Kent, John | en | | | | Scrofula; Scurvy; Cancer | 2007-11-13 |
| The Gipsies' Advocate
or, Observations on the Origin, Character, Manners, and Habits of
The English Gipsies | Crabb, James, 1774-1851 | en | | | | | 2006-11-17 |
| Experiments and Observations on Different Kinds of Air | Priestley, Joseph, 1733-1804 | en | | | | Chemistry -- Early works to 1800; Air -- Early works to 1800 | 2009-08-19 |
| Observations on the Present State of the Affairs of the River Plate | Baines, Thomas | en | | | | | 2010-08-02 |
| A Terminal Market System
New York's Most Urgent Need; Some Observations, Comments,
and Comparisons of European Markets | Black, Madeleine | en | | | | Markets; Markets -- New York (State) -- New York | 2009-04-22 |
| An Englishman's Travels in America
His Observations of Life and Manners in the Free and Slave States | Benwell, John | en | | | | | 2004-01-01 |
| In the Flash Ranging Service
Observations of an American Soldier During His Service
With the A.E.F. in France | Trueblood, Edward Alva | en | | | | | 2008-07-27 |
| Prufrock and Other Observations | Eliot, T. S. (Thomas Stearns), 1888-1965 | en | | | | | 1998-09-01 |
| America To-day, Observations and Reflections | Archer, William, 1856-1924 | en | | | | | 2004-07-22 |