(b Rotterdam, 1887; d Zurich, 1983). Dutch musicologist. In 1927 founded Vienna nat. archive of photographs of mus. MSS. Compiler of definitive catalogue of Haydn's works in 2 vols., 1957 and 1971. Works are given ‘Hob.’ nos., followed by Roman numeral and Arabic figure, e.g. Hob. IV:6.
From The Concise Oxford Dictionary of Music in Oxford Reference.