[5][6] Among the artists shown by the Galleries were some less than well-known major figures in Canadian art such as Tom Thomson, David Milne, and Emily Carr, and among the many already known, artists such as James Wilson Morrice, Horatio Walker, and Homer Watson.
[8] In addition, from 1957 to 1966, he co-operated with Pieter Eilers of Van Wissenlingh and Co., Amsterdam to bring Canada art of the European Nineteenth and Twentieth centuries.
[2] In 1989, he gave the National Gallery of Canada 84 works by Morrice, a collection amassed over 40 years,[10] published by Charles C. Hill as "Gift to the Nation: The G. Blair Laing Collection of Paintings by James Wilson Morrice" (University of Chicago Press, 1992).
Hill's show that accompanied the collection at the National Gallery of Canada was called powerful.
[12] Among Laing's clients he counted many of the businessmen of the day such as Lord Beaverbrook.