Autograph letter signed to Reverend John McVickar of Columbia University. Monticello, 30 March 1826
Jefferson and the study of political economy: “No country on earth requires a sound intelligence of it more than ours …”
In this fine unpublished letter, written just months before his death, Jefferson observes that he no longer reads books as demanding as those on political economy, adding, “I rejoice nonetheless to see that it is beginning to be cultivated in our schools.”
“By the St. Lawrence,” Autograph manuscript signed. No place, Prob. March 1995
A MAJOR LATE AUTOBIOGRAPHICAL SHORT STORY. In this heavily revised manuscript story, Bellow revisits the scenes of his immigrant childhood and reflects on the nature of memory and loss. The story, with important changes from the present manuscript, was published in Esquire (1995) and then in Bellow’s Collected Stories (2001). A reviewer of the latter book observed, “the volume opens with the most recent piece, “By the St Lawrence,” which becomes a kind of retrospective manifesto for the characteristic forms and themes of Bellow’s stories as a whole” (Christopher Tayler, The Telegraph).
(APOLLO 11.) Armstrong, Neil
Photograph of Buzz Aldrin standing on the moon with the American flag and the lunar module, signed on the mount by all three crew members: Armstrong, Aldrin, and Collins and additionally inscribed “For Peggy and Bill Burden with Best Wishes from Apollo Eleven.”. NASA, 1969
This classic space photograph is signed by the crew of Apollo 11, the first manned mission to the Moon: Neil Armstrong (commander), Buzz Aldrin (lunar module pilot), and Michael Collins (command module pilot) and further inscribed to William A. M. and Peggy Burden. This famous Armstrong photograph of Aldrin, standing on the moon’s surface with the United States flag, is NASA AS11-40-5875.
Autograph Letter Signed [to Henry Denny]. Down, Kent, June 1, 
VERY EARLY DARWIN INVESTIGATION OF THE RACES OF MAN. In 1834 Darwin heard that head lice vary among the races of man while on the voyage of the Beagle. In his Beagle zoological diary he wrote, “Mr Martial, a surgeon of an English Whaler assures me that the Lice of the Sandwich Islanders … if they strayed to the bodies of the English in 3 or 4 days died … If these facts were verified their interest would be great.— Man springing from one stock according his varieties having different species of parasites.— It leads one into many reflections.” Intrigued by the implications of this observation, Darwin began collecting specimens for further research.
CLEMENS, SAMUEL (MARK TWAIN.)
Collection of 13 photographs of Samuel Clemens, his family, and Missouri relations, two bearing inscriptions by Clemens. Various places, c. 1870s
This wonderful group of Clemens family photographs includes two portraits sent to his relatives in Missouri while the author was on a lecture tour in England.
Neil Armstrong on the Cancellation of the Moon Stamp On Board the Apollo XI CSM Returning From the MoonARMSTRONG ,NEIL
Typed letter signed to Dr. Joseph F. Rorke.. Houston, NASA, 15 January 1970.
In this historic letter Armstrong details the history of the Apollo XI in-flight cancellation of the “First Man on the Moon” stamp and of the die famously carried to the moon by Armstrong, Aldrin, and Collins
(South.) Lalouette, Antoine Prudence (1777-1855)
An important manuscript collection including 16 long, closely written letters written from Alabama. Alabama, New Orleans, Paris, and elsewhere, mainly 1821-1823
This tremendous manuscript collection documents in great detail a pioneering French settler’s ambitious struggles to establish a home in the new state of Alabama in the early 1820s.
Scientific manuscript of a course of studies at Collège de la Trinité, Lyon. Lyon, 1660s
This fascinating 17th-century scientific manuscript documents the state of scientific knowledge and education in France in the years following Galileo’s trial and the Church’s prohibition of Copernican theory.
“I believe the high value of well-bred males is due to their transmitting their good qualities to a far greater number of offspring than can the female.”DARWIN, CHARLES
Autograph Letter Signed to Lawson Tait. Down, 17 January 
CHARLES DARWIN ON SEXUALITY AND THE TRANSMISSION OF HEREDITARY CHARACTERISTICS.
EMERSON ,RALPH WALDO
Autograph Letter Signed to Abby Dwight Woodbridge.. Concord, 6 July 1841
In this tremendous letter on his philosophy of the individual and on writing poetry, Emerson describes for a prospective contributor the workings of his fabled literary magazine, The Dial.