RR Auction: Fine Autographs and Artifacts Featuring Military

Handwritten responses by Oppenheimer to a series of four questions from "Whole World Inquiry," one page, 8.25 x 12.25, April 24, 1958. The...

Pioneer of quantum physics (1900–1958) who received the Nobel Prize in Physics in 1945 after being nominated by Albert Einstein. ALS signed “W. Pauli,

Handwritten notes in French by Pasteur, unsigned, one page, 5.25 x 8.25, no date. In very good to fine condition, with light overall wrinkling and cre

Russian physiologist (1849–1936) best known for his investigation of conditioned reflex through the use of experiments involving salivating dogs. He w

Italian physician, naturalist, and poet (1626-1697). ALS in Italian, one page, 7.75 x 10.5, no date. Untranslated letter to Italian physician and anat

Partly-printed DS, signed “Geo. Westinghouse, Jr.,” three pages on two adjoining sheets, 8.5 x 14, February 21, 1893. Contract between the Westinghous

Psychoanalyst and writer (1861–1937) who was the muse of Nietzsche, Rilke, and Freud. ANS in German, signed “L. A. S.,” one page, 4.75 x 4, postmarked

French polymath (1717–1783) known for his contributions in the realms of mathematics, physics, philosophy, and music theory; he served as co-editor of

TLS in German, signed “Freud,” one page, 6 x 8.75, personal letterhead, September 10, 1924. Letter to a "Dear Colleague," in part (transla...

Two ALSs in German, signed "Freud," both on personal letterhead, 6 x 8.75, dated 1923. A pair of very moving and intimate letters from Fre...

Unsigned handwritten quotes in French, one page, 5.75 x 8.25, no date. Heidegger pens two quotations from the work of French poet and philosopher Paul

Tremendously influential philosopher (1711–1776) considered one of the most important figures in the history of Western philosophy. ALS, one page, 7.2

Extremely rare ALS in English, one page, 4.5 x 7, October 1, 1879. Written from 41 Maitland Park Road in London, a letter to Collet Dobson Collet, in

Central figure of modern philosophy (1724–1804) best known for The Critique of Pure Reason. Extremely rare ALS in German, signed “I. Kant,” one page,

French lawyer, man of letters, and political philosopher who lived during the Age of Enlightenment (1689–1755), best known for his theory of the separ

German idealist philosopher (1775–1854) of the Romantic period, who later turned to religious philosophy and mythology, influencing existentialism and

Important and highly influential German philosopher (1788–1860) best known for his often pessimistic works exploring the nature of reality, will, and

Early educator and instructor of the deaf (1742–1822) ALS in French, signed "L'abbe Sicard," one page, 7.25 x 9, no date. Letter to Mr...

TLS signed “God bless you, M Teresa mc,” one page on the reverse of a 6.25 x 3.25 prayer slip, October 2, 1991. Written from Calcutta, a letter to Eve

Born Bartolomeo Alberto Cappellari (1765–1846), he served as pope from 1831 to 1846. Strongly conservative and traditionalist, he opposed democratic a