File consists of nine items of correspondence and four greeting cards to and from Isabel Mackay. Correspondents include:

• Brady, W.J. - McClelland and Stewart Ltd. (July 5, 1921);
• Brock, Mrs. (n.d.);
• Bliss, Carmen (November 17, 1926);
• Johnson, Pauline [December 11, 1912];
• MacTavish, Newton;
• Moore, Leonard - Christy & Moore Ltd. (June 25, 1928);
• Roberts, Charles (December 31, 1926);
• Robinson, Edgar - Vancouver Public Library (November 26, 1926); and
• Willison, Marjory (December 8, 1929).