Continental manuscripts and printed books, science and medicine : Including a major collection of Spanish documents comprising printed books, autograph letters and manuscripts including Le Corbusier’s sketch plans for Buenos Aires; Kafka’s earliest love-letter; letters by Archduke Rudolf about his marriage; fine scientific letters by Alessandro Volta; Lascaris, Erotemata, Milan, 1476; Homer, Opera, Florence, 1488; Aristotle, Opera, Venice, 1495-1498; the Rudolph Sturm collection of works by François Villon and related material (catalogue of an auction sale conducted by Sotheby's, London, 21 November 1989)