They were ready to go back to Europe when they decided to open the framing gallery on Laurier Avenue, incorporating print sales for better access to the public.

The Lange also sold the paintings of painters such as Adrien Hébert, Suzor-Côté, Alfred Laliberté, Clarence Gagnon, Horatio Walker, Cornelius Krieghoff, Coburn, Lyman, Jackson, and also abstract surrealist works by Riopelle, Pellan, Borduas, and Jean Dallaire.

[8] During these years, Stanley Cosgrove, Ozias Leduc, Paul Soulikias and Goodridge Roberts exhibited their works here.

[9] The gallery exhibited also Henri Masson, Berthe des Clayes,[10] Edmund Alleyn, Ghitta Caiserman, P.V Beaulieu, Lismer, Borenstein,[11] Pilot,[12] Emily Carr, Brymner, Cullen, Franchère, Adrien Hébert, Massicotte, Plamondon, John Young Johnstone,[13] Bourassa,[14] Laliberté and Henri Julien.

[5] The Musée national des beaux-arts du Québec had access to the Fortin's research resources for an exhibition about the artist.

[17] Instead of focusing on French art, the gallery forged ahead by choosing to display Québécois and Canadian artists[2] like Lemieux, Riopelle, Suzor-Coté.

[22] The gallery also exhibits young sculptors and painters such as Christian Deberdt, Geneviève Jost, Élène Gamache et Pearl Levy,[9] Jeannette Perreault,[2] Maja Vodanovic,[23] Henry Wanton Jones,[24] Stanislav Germanov,[25] Thérèse Lacasse,[26] Guylaine Beauchemin.