[2] His exhibition, The Urge to Abstraction, opened in, 2007 at the Varley Art Gallery of Markham, Unionville Ont.
[3] Nasgaard has been the author of many exhibition catalogues, including, among others: Yves Gaucher: A Fifteen-Year Perspective (1979) (and an internet book on Gaucher for the Art Canada Institute);[3] Structures for Behaviour: New Sculptures by Robert Morris, David Rabinowitch, Richard Serra and George Trakas (1978); and The Mystic North: Symbolist Landscape Painting in Northern Europe and North America, 1890-1940 (1984) which Artforum magazine called a "sweeping survey of Symbolist landscape painting in Northern Europe and North America", adding the catalogue was "fine".
In 2007, Douglas & McIntyre published his book Abstract Painting in Canada: A History which is considered a substantial offering.
[9] In 2017, Goose Lane Editions and the McMichael Canadian Art Collection published his co-publication Higher States: Lawren Harris and His American Contemporaries (Fredericton, New Brunswick and Kleinburg, Ontario), reviewed favorably, with reservations by a peer in the College Art Association in 2019.
Nasgaard won an Ontario Art Galleries Association Curatorial Writing Award in 1991 for his essay in Individualités: 14 Contemporary Artists from France.