[US MARINE CORPS]. HENDERSON, Archibald (1783-1859). Autograph letter signed ("Archd Henderson Lt.

John Brown Twice Signed Handwritten Letter to his Wife "I have seen nothing of Frederick as yet" John Brown (1800-1859). Autograph Letter Signed,"John Brown", 1p, 7.875" x 12.375", Winebago, Illi

William H. Harrison ALS On Christmas, U.S. Senate Bid William Henry Harrison ALS Requesting Friends Pull Strings to Ensure his U.S. Senate Bid. 2pp autograph letter signed by future 9th U.S. Presiden

"I CONGRATULATE ON THE PROGRESS OF THE CONSTITUTION" MARSHALL, JOHN. Autograph Letter Signed, "JMarshall," to attorney Archibald Stuart, with a postscript additionally Signed, "JM." The letter, report

[NATIVE AMERICANS]. CLARK, William (1770-1838). Autograph letter signed ("Wm Clark") as US Agent of Indian Affairs, to William Linnard, Esq. St. Louis, MO, 23 January 1812.   1 page, 4to (creased

Charles Armand autograph letter signed ("C Armand: Mqs. de la Rouarie"). One page, 7" x 9.25", Philadelphia; March 27, 1783. To &lbra

PICKETT, GEORGE E. 1825-1875. Autograph Letter Signed ('GE Pickett') to General Brixton Bragg, transmitting intelligence from Lt. Matthew Causey on the eve of Drewry's Bluff, 2 pp, SIZE, Petersburg, V

French physicist (1859-1906) best known for his pioneering investigation of radioactivity, who shared the 1903 Nobel Prize in Physics with his wife, Marie Curie. ALS in French, signed “P. Curie,

Autographs 1850-Dated Autograph Letter Signed "William H. Seward" The Compromise of 1850 Political Issues Prove Divisive WILLIAM H. SEWARD (1801-1872). U.S. Secretary of State under Lincoln, Negotiate

WAR: "WE ONLY HOPE THAT . . . GOD IS LEADING US THROUGH DEATH TO THE IMMORTAL" TAGORE, RABINDRANATH. Autograph Letter Signed, to writer Ernest Rhys, consenting to the use of his own photograph and aut

KING'S CORRESPONDENCE WITH U.S. AMBASSADOR TO GREECE GEORGE I; KING OF GREECE. Archive of 15 Autograph Letters Signed, "George," as King, and a fragmentary Autograph Letter, unsigned, to diplomat Char

Robert E. Lee Autograph Letter Signed.  One page, 7.75" x 6". Fort H

Curzon (George Nathaniel, Marquess Curzon of Kedleston, politician, traveller, and viceroy of India, 1859-1925) Collection of 38 Autograph Letters (including 2 dictated) some signed to Charles Wallace

Rare ALS signed “Edgar A. Poe,” one page, 7.75 x 9.75, August 24, 1846. Addressed from New York, a handwritten letter to writer Frederick William Thomas, who, from 1841 until 1850, worked

ALS signed “N. Tesla,” four pages on two adjoining sheets, 5.25 x 6.75, personal monogram letterhead, June 14, 1899. Handwritten letter to Rear Admiral Francis J. Higginson by Nikola Tesla

CROCKETT, DAVID. 1786-1836. Autograph Letter Signed ('David Crockett') to James Davison on the heels of his failed 1831 Senate bid, including much commentary on his political philosophy and his disput

Johann Kalb autograph letter signed ("Baron de Kalb"). Two pages on one leaf, 6.5" x 8.5", Anderson's Ferry, [Pennsylvania]; September

ALS as president, signed “Go: Washington,” one page, 6.75 x 8.5, April 8, 1791. Handwritten letter to his nephew George Augustine Washington, penned from Dumfries, Virginia, during his pre

MARION, FRANCIS. 1732-1795. Early Autograph Letter Signed ('Fran. Marion') from the Swamp Fox to General Benjamin Lincoln, from the field, 1 p, 4to (318 x 254 mm), ink on paper, 'Camp at Sheldon' [Sou

Thaddeus Kościuszko autograph letter signed ("Thad: Kosciusko Colo."). One page, 7.75" x 6.25", Fishkill [New York]; Dec

Richard Montgomery autograph letter signed ("R Montgomery"). One page of a bifolium, 7.25" x 9", New York; "Saturday" [circa June 1775]. Add

German mathematician (1845-1918) who created set theory, which has become a fundamental theory in mathematics. Cantor established the importance of one-to-one correspondence between the members of two

Benedict Arnold autograph letter signed ("B. Arnold"). One page of a bifolium, 6.5" x 8.25", Philadelphia; June 8, 1777. Addressed b

LEIBNIZ (GOTTFRIED WILHELM) Autograph letter signed ('Leibniz') to Thomas Burnett ('Monsieur'), in French, thanking him for '...the news you send me of the state of literature as well as of the politi

British archaeologist and Egyptologist (1874-1939) whose discovery of the tomb of Tutankhamun in Egypt's 'Valley of the Kings' proved to be one of the signal events in the history of archa