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