RR Auction: Fine Autographs & Artifacts

Canadian-born physician and researcher (1849–1919) who was a founding professor of Johns Hopkins Hospital. ALS signed “Wm. Osler,” one page, 4.5 x 6,

Ink signature in French (translated), “With my compliments, Paris, 22 April 1893, L. Pasteur,” on an off-white 4 x 5 sheet. In fine condition. Accompa

Nobel Prize–winning German physicist (1858–1947) who pioneered the understanding of quantum theory. ALS in German, signed “M. Planck,” one page, 6 x 4

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

Belgian astronomer, mathematician, statistician, and sociologist (1796–1874). ALS in French, signed “Quetelet,” three pages on two adjoining sheets, 5

German sociologist, philosopher, and musicologist (1903–1969) known for his critical theory as a leading member of the Frankfurt School. Two untransla

German philosopher and cultural critic (1892–1940) who made enduring and influential contributions to aesthetic theory and Western Marxism. Substantia

German philosopher and anthropologist (1804–1872) whose book The Essence of Christianity influenced the minds of Karl Marx and Friedrich Engels. Ink s

Handwritten medical prescription in German, unsigned, one page on a 6.25 x 3.25 slip headed “Dr. Sigmund Freud,” no date. Freud writes a prescription

Russian writer and political thinker (1812–1870) considered the ‘father of Russian socialism.’ Rare draft ADS in French, signed several times within t

Scarce matte-finish 9 x 7.25 photo of Jung speaking with BBC producer Hugh Burnett, signed in fountain pen, “C. G. Jung, Arcana publicata vilescunt.”

Booklet of Jung’s article entitled ‘On Psychological Understanding’ reprinted from the Journal of Abnormal Psychology, Boston, February–March 1915, 6

ALS in French, signed “P.-J. Proudhon,” four pages on two adjoining sheets, 5 x 8, Le Peuple de 1850 letterhead, October 2, 1851. Letter to a colleagu

Controversial and prolific Austrian writer and philosopher (1861–1925) who founded such disciplines as anthroposophy, biodynamic agriculture, eurythmy

An important archive of unpublished letters from Wittgenstein to one of his closest friends and confidantes, Hermann Hansel, comprised of sixteen ALSs

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

Italian Pope (1881–1963), born Angelo Giuseppe Roncalli, who ascended the papal throne in 1958 and served until his death. As the guiding force behind

Born Count Vincenzo Gioacchino Raffaele Luigi Pecci (1810–1903), he was the 256th Pope of the Roman Catholic Church, reigning from 1878 to 1903, succe

ALS in Italian, signed “G. M. Card. Mastai A V,” one page, 8 x 11.5, November 10, 1845. Letter to the secretary of state of the papal ministry Camillo

Pope, born Francesco Xaverio Castiglione (1761–1830), who served a mere twenty months, from 1829 to 1830. ALS in Italian, signed “Francesco Saverio Ve