Conservation of leathercraft and related objects : interim symposium at the Victoria & Albert Museum, London, 24 & 25 June 1992 / eds.: Pieter Hallebeek, … Preprints of contributions to the Modern organic materials meeting held at the University of Edinburgh, 14 & 15 April 1988 Modern art: who cares? : an interdisciplinary research project and an international symposium on the conservation of modern and contemporary art / eds. IJsbrand Hummelen … Internationale Leder- und Pergamenttagung = International leather- and parchmentsymposium : vom 8. Mai bis 12. Mai 1989 / ICOM Arbeitsgruppe, leathercraft and related objects Adhesives and consolidants : preprints of the contributions to the Paris congress, 2-8 September 1984 / ed. by N.S. Brommelle ... [et al.]