1. The economic pattern : an elementary textbook for Australian readers / by Cyril Renwick and G.A.J. Simpson-Lee ; with a foreword by S.J. Butlin Author: Renwick, Cyril, 1920- Format: Book Language: English Published: 1950
2. The economic pattern : an elementary textbook for Australian readers / by Cyril Renwick and G.A.J. Simpson-Lee ; with a foreword by S.J. Butlin Author: Renwick, Cyril, 1920- Format: Book Language: English Published: 1954