Early Days (1977), Field and Flow, the Drawing and the Photograph (1979), Night Flak (1981), Black and White . or How to Paint with a Hammer (1982), Swedish Lapland (1986), Grønland (1988), Papua New Guinea (1991), Black and White . and Very Grey Areas (1993), Marianne North, Olana, Hudson, New York (1995), Northeast Siberia (1995), Painting Is Not Flat Art (1995), Thoughts on Emil Nolde (1995), Siberia (1996), Thinking about Georgia O'Keeffe (2002), For Kehnet Nielsen - In Praise of Painting (2002), Talking Painting (2004), Light (2004), Black (2004), Kurt Kocherscheidt: Between the Wall and the Floor (2004), China (2004), Note (2005), Painting and Countenance (2005), White (2008), Wave and Other Sensations (2010), Morocco (2010), Notes II (2010), Kurt Kocherscheidt: The Sense of an Ending (2013), Painting on the Threshold, Richard Diebenkorn (2015), Wood, Paint and Recycling (2015), Same Old Story (2015), Bounce (2017), Visiting Joan Mitchell (2017), Time and Time Again (2018), Eye to Eye: Reflections on the Self-portrait and Helene Schjerfbeck (2018), Robert Smithson: Paterson (2019), Painting/Sculpture/Architecture (2019), Piero della Francesca (2019), To Begin (2019), Jukka Mäkelä: Talking Away the Night (2022), Notes on 'Against Architecture' (2023), Colour Chart (2023), Monet: In Search of Lost Time (2024), Robert Rauschenberg and the Photograph (2024), . And Now (2024), Cy Twombly: Ezra Pound (2024), And . (2024), Pierre Bonnard (2024-25), The Mirror and the Sea (2025)EndnotesSelected PublicationsAcknowledgementsCredits.