Baltic light : early open-air painting in Denmark and North Germany [publ. in conj. with the Exhibition Baltic Light: Early Open-Air Painting in Denmark and North Germany; venues: National Gallery of Canada, Ottawa, 15 October 1999 - 2 January 2000; Hamburger Kunsthalle, Hamburg, Germany, 26 January - 26 March 2000; Thorvaldsens Museum, Copenhagen, Denmark, 19 April - 18 June 2000]