Notes:
McArdle's artwork appeared in Liberty. Known work: Liberty (Liberty Publishing Corporation, 1931 series) v13#47 (November 21, 1936) [Illustration for the story "Tracking New York's Crime Barons" written by Fred Allhoff.]; Liberty (Liberty Publishing Corporation, 1931 series) v13#48 (November 28, 1936) [Cover art.]; Liberty (Liberty Publishing Corporation, 1931 series) v15#51 (December 17, 1938) [Illustration for the story "This is Treasure Hunting Time" written by Albert Orbaan.]; Liberty (Liberty Publishing Corporation, 1931 series) v16#42 (October 21, 1939) [Illustration for the story "The Last Round" written by Garnett Radcliffe.]; Liberty (Liberty Publishing Corporation, 1931 series) v17#17 (April 27, 1940) [Cover art.]
Any other work for the magazine is currently unknown.