RR Auction: Fine Autographs & Artifacts

Italian physicist (1745–1827) best known for his epochal investigations into the nature and uses of electricity, leading him to invent the battery. Th

TLS in German, signed “Freud,” one page both sides on a 5.25 x 3.25 personal stationery card, May 23, 1927. Letter of condolences to his friend, Arthu

German philosopher, theologian, poet, and literary critic (1744–1803) associated with the periods of Enlightenment, Sturm und Drang, and Weimar Classi

ALS signed “J. M. Keynes,” one page both sides, 5 x 8, personal letterhead, September 10, 1937. Letter to Rosenbaum regarding books he would like to o

Russian geographer, zoologist, and political theorist (1842–1921) best known for his advocacy of anarchist communism. ALS signed “P. Kropotkin,” four

Leading 19th-century economist considered the original European unity theorist, best known for developing the ‘National System’ (1789–1846). ALS in Ge

French anarchist, school teacher, and medical worker (1830–1905) known for her radical activism and admired for her association with the Paris Commune

Desirable ALS in French, one page both sides, 5.25 x 8, no date. Letter to an unidentified recipient concerning an election outcome, in part (translat

Immensely influential British mathematician, cryptanalyst, and computer scientist (1912–1954) considered the father of theoretical computer science an

Extremely influential social theorist (1864–1920) often cited with Emile Durkheim and Karl Marx as a founding architect of sociology. ALS in German, o