1790-1860:  Table Showing Data On the Percentage of Urban Population, 1790 - 1860

early 19c:  Sell a Country! Why Not Sell the Air? - Tecumseh

1810:  Tecumseh and Tenskwatawa, the Shawnee Prophet, Speeches

1818:  Building of the Erie Canal - William H. Seward (1818-1825)

1823:  Captured By Indians- Mary Jemison Becomes an Indian

1823:  Johnson v. McIntosh

1823:  "The Morality of Manufactures" - Nile's Weekly Register

1823-1839:  Various documents on the removal of the Cherokee Nation     (additional documents)

1824:  Gottfried Duden - Letters - Frontier and Wilderness Life (1824-1825)

1825:  Peter Skene Ogden's Journal of His Journey into Utah

1826:  Diet and Health of Frontier Women - Gottfried Dudden

1826:  The Last of the Mohicans, Volume 1   Volume 2 - James Fenimore Cooper

1827:  Elias Boudimott Proposes a Cherokee Newspaper

1827:  "View Near the Village of Catskill" - painting by Thomas Cole

1828:  Treaty With the Potawatami

1830:  "Niagara Falls" - painting by Thomas Cole

1830:  Preemption & Homestead Acts (1830, 1841)

1831:  The Burlend Family Encounters America’s System for Populating the West, Pike Country, IL

1831:  Cherokee Nation v. Georgia

1832:  Autobiography of John Ball - Across the Plains to Oregon

1832:  Nathaniel Wyeth's Journals of His Expeditions into the OR Country (1832-1834)

1832:  Worcester v. Georgia

1833:  Life of Black Hawk

1834:  Letter by Davy Crockett on Andrew Jackson and Crockett's moving to Texas

1835:  The Canal Boat - Nathaniel Hawthorne Travels the Erie Canal

1835:  Declaration of the People of Texas (11/7)

1835:  "Nature's Wonderland" - painting by Thomas Doughty

1835:  Views on the Commercialization of the Countryside - Mary Graham Describes Life on a Massachusetts Farm, (1835-1844)

1836:  “Everything Here is New But the Forests” - Englishman Thomas Woodcock Travels to Niagara on the Erie Canal

1836:  Memorial and Protest of the Cherokee Nation

1836:  Stephen Austin - address delivered at Louisville

1836:  Texas Declaration of Independence

1836:  Treaty of Velasco - between the U. S. and Mexico

1836:  William Travis' Letter From the Commandancy of the Alamo

1837:  Steps of Expansion - José María Tomel y Mendívil, "Relations Between Texas, The United States of America and the Mexican Republic," (Mexico)

1839:  "Manifest Destiny" - John L. O'Sullivan

1839:  Poster circulated in Philadelphia to discourage the coming of the railroad

1840:  An American View of Mexican California - Richard Henry Dana, Jr.

1840:  "Fenimore Cooper's Libels on America and Americans" - anonymous

1841:  The Deerslayer; or, The First Warpath . . . Volume 1 - James Fenimore Cooper    Volume 2

1842:  “A Foreigner in My Own Land” - Juan Nepomuceno Seguin Flees Texas

1842:  Quotations from (and About) Horace Greeley (1840s-1870s)

1842:  Webster-Ashburton Treaty

1843:  Liberty in Theory and in Practice - anonymous

1844:  Across the Plains in 1844 - from the journals of Catherine Sager Pringle

1844:  "Martyrdom of Joseph & Hiram Smith in Carthage Jail" - lithograph

1844:  "Mr. Van Buren" - The United States Democratic Review / Volume 15, Issue 73, July 1844

1844:  "The Re-Annexation of Texas, in its Influence on the Duration of Slavery" - The United States Democratic Review / Volume 15, Issue 73, July 1844

1845:  "American Enterprise in Steam Navigation" - The American Whig Review / Volume 2, Issue 1, July 1845

1845:  Congressional Resolution for Texas Annexation

1845:  Daily Wage Rates on the Erie Canal, 1845-1870 - statistical chart

1845:  "The Great Nation of Futurity" - John L. O'Sullivan

1845:  Inaugural Address of James K. Polk

1845:  "Monopoly of Land is the Great Evil" - Lewis Masquerrier in Young America (7/19)

1845:  "Mr. Clay - The Texas Question" - The American Whig Review / Volume 1, Issue 1, Jan 1845

1845:  "The Oregon Question" - The United States Democratic Review / Volume 16, Issue 84, June 1845

1845:  "The Tariff Question" - The American Whig Review / Volume 2, Issue 2, August 1845

1845:  "Territorial Aggrandizement" - The United States Democratic Review / Volume 17, Issue 88, October 1845

1845:  Treaty for the Annexation of Texas (March 1, 1845)

1845:  "The Whig Party, Its Position, and Duties" - The American Whig Review / Volume 2, Issue 6, December 1845

1845:  "Will There Be War with Mexico?" - The American Whig Review / Volume 2, Issue 3, September 1845

1846:  "Administration of Indian Affairs" - The United States Democratic Review / Volume 18, Issue 95, May

1846:  "Boatmen on the Missouri" - painting by George Caleb

1846:  “A Hungery Savage Look which was Truly Fearful” - Samuel Chamberlain’s Recollections of the Mexican War

1846:  The Mexican War & Slavery - political cartoons (1846-1848)

1846:  “More Like A Pig Than a Bear ”- Mariano Guadalupe Vallejo Is Taken Prisoner During the Bear Flag Revolt

1846:  "The Oregon Question: War and Peace" - The American Whig Review / Volume 3, Issue 2, February 1846

1846:  The Oregon Treaty 

1846:  "The Oregon Treaty" - The American Whig Review / Volume 4, Issue 2, Aug 1846

1846:  President Polk's War Message

1846:  "Table of the new rates of toll on the Erie canal, as established by the canal board, and in effect on said canal" - broadside

1846:  Wilmot Proviso

1847:  "Against the Mexican War" - Thomas Corwin

1847:  David Wilmot Argues for a Free California

1847:  The Donner Party's Log Entries (Jan., 1847)

1847:  Elizabeth Dixon Smith Geer, pioneer journal (1847-1850) - full journal entries

1847:  “For Oregon!” - Settlers From Illinois Describe the New Territory

1847:  Manifest Destiny assorted quotations (1847-1848)

1847:  Mexican War - assorted readings 

1847:  "The Mexican War - Its Origin and Conduct" - The United States Democratic Review / Volume 20, Issue 106, April 1847

1847:  "Sam Houston and his Republic" - The American Whig Review / Volume 5, Issue 6, Jun 1847

1847:  "Mr. Slidell's Mission to Mexico" - The American Whig Review / Volume 5, Issue 4, Apr 1847

1847:  "The President's Message: The War" - The American Whig Review / Volume 5, Issue 1, Jan 1847

1847:  "The Whigs and the War" - The American Whig Review / Volume 6, Issue 4, Oct 1847

1848:  "The Administration: its Treatment of General Scott" - The American Whig Review / Volume 7, Issue 6, June 1848

1848:  "The Leg I Left Behind Me" - poem on the Mexican War

1848:  Letter by Abraham Lincoln on the Mexican War

1848:  "The Mexican War - Its Origin, its Justice and its Consequences" - The United States Democratic Review / Volume 22, Issue 115, Jan 1848

1848:  "Necessity of Party - The Press - The Locofoco Platform" - The American Whig Review  Volume 8, Issue 1, July 1848

1848:  "The Nomination: General Taylor" - The American Whig Review / Volume 8, Issue 1, July 1848

1848:  "The Peaceable Kingdom" - painting by Edward Hicks

1848:  Present at the Beginning of the Gold Rush - Journalist Edward Gould Buffum Pans Gold in California

1848:  “A Rush to the Gold Washings,” from the California Star

1848:  "Calhoun's Speech against the Conquest of Mexico" - The American Whig Review / Volume 7, Issue 3, Mar 1848

1848:  "The President and his Administration" - The American Whig Review / Volume 7, Issue 5, May 1848

1848:  "To the West!" song lyrics

1848:  Treaty of Guadalupe Hidalgo

1848:  "The War: The New Issue" - The American Whig Review / Volume 7, Issue 2, Feb 1848

1848:  "The Whigs and their Candidate" - The American Whig Review / Volume 8, Issue 3, Sept 1848

1848:  William Porter's Oregon Trail Diary

1849:  Adventures of an Overland Journey to California - Alonzo Delano

1849:  "Californian Gold" - The United States Democratic Review / Volume 24, Issue 127, January 1849

1849:  The Constitution of the State of Deseret - the Mormons (7/18)

1849:  From the Diary of Alvin Coffey, African American 49er 

1849:  Inaugural Address of Zachary Taylor

1849:  Luzena Wilson's View of the Overland Trek

1849:  Miner’s Ten Commandments

1849:  "Sacramento" - song about the CA Gold Rush

1849:  "We, the undersigned, citizens of the United States, being about to leave our homes for California, for the purpose of mining and digging gold ... have agreed to unite together and form an association" - broadside

1850s:  "Paddy Works on the Erie" - song lyrics by John Renfro Davis

1850:  California- A Trip Across the Plains - James Abbey

1850:  Clayton-Bulwer Treaty

1850:  New Railroad Mileage Charts (by region), 1850-1860

1850:  Six Months in the Gold Mines - Edward Gould Buffum

1850:  William Swain Letter written from "The Diggings" in California

1851:  “Dame Shirley” Describes Life at a California Gold Mining Camp in the Sierra Nevada Mountains

1851:  Speech on the Homestead Bill by G. W. Julian

1852:  Harriet Scott Palmer on Crossing the Great Plains

1852:  “This Muddy Place” - Mary Ballou, a Boardinghouse Keeper in the California Gold Rush

1852:  Treaty with the Apache

1852:  “We Are Not the Degraded Race You Would Make Us” - Norman Asing Challenges Chinese Immigration Restrictions

1852:  White and Chinese miners hoping to strike it rich during the California Gold Rush at Auburn Ravine (photo)

1853:  Gadsden Purchase Treaty

1853:  "The Monroe Doctrine versus The Clayton and Bulwer Treaty (an expose)" - The United States Democratic Review / Volume 32, Issue 3, Mar 1853

1853:  "Progress (The Advance of Civilization)" - a painting by Asher Brown Durand

1854:  Chief Seattle, Oration

1854:  Letter from Brigham Young to Thomas Kane

1855:  Female Life Among the Mormons - Maria Ward

1855:  The Land of Gold:  Reality Versus Fiction - Hinton H. Helper     (entire text)

1856:  "Hiawatha" - a poem by Henry Wadsworth Longfellow, illustrated by John Rea Neill

1857:  The Discovery of Gold in California by Gen. John Sutter

1857:  "The Miner's Song"

1858:  "Abrogation of the Clayton-Bulwer Treaty - Central America, Mexico, and Cuba" - The United States Democratic Review / Volume 42, Issue 6, December 1858

1858:  "Democratic Policy - The Empire" - The United States Democratic Review / Volume 42, Issue 5, November 1858

1858:  "The Fate of the Tejanos" from Personal Memoirs of John N. Seguín

1860:  "The Cradle and Manner of Using It" - political cartoon about the Chinese and the Gold Rush - Hutchings California Magazine

1860:  Juan Nepomuceno Cortina, "Mexicans!"

1860:  An Overland Journey - Horace Greeley

1872:  "American Progress" - painting by John Gast (about Manifest Destiny)

1885:  Causes of the Mexican War - U. S. Grant (from his memoirs)