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WEBER, Heinrich. Arithmetic, Algebra, and Analysis, Berlin 1922. WEBER, Heinrich, WELLSTEIN, Joseph, & JACOBSTAHL, Walther. Elements of Geometry, Leipzig & Berlin 1915. KNESER, Adolf. Integral Equations and Their Applications in Mathematical Physics, Braunschweig 1911. WEYL, Hermann. The Idea of the Riemann Surface, Leipzig & Berlin 1913. HESSE, Otto. Lectures on Analytic Geometry …, Leipzig 1906. Set of 5 vols. Otto Bolsa’s signature in three volumes Provenance: library of Hans and Oscar BOLZA, then passed down through the family.
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