Rodriguez, Isabel Carlota; Wasserman, Robert Banco Central de Venezuela

Nudelman, Edward D. Catalogue Fourteen: Press Books, 1890's, Pre-Raphaelites, Illustrated Books, Autograph Letters, Children's Books

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Pickering & Chatto Science and Mathematics. List 27. September 1983

Frewen, Moreton Address of Moreton Frewen, of England, at the Second National Silver Convention, Held at Washington, May 26, 27 and 28, 1892