The Emerald of Sigma Pi, Vol. 22, No. 4, February 1936 The Emerald of Sigma Pi, Vol. 23, No. 1, May 1936 The Emerald of Sigma Pi, Vol. 23, No. 2, August 1936 The Emerald of Sigma Pi, Vol. 23, No. 3, November 1936 The Emerald of Sigma Pi, Vol. 23, No. 4, February 1937 The Emerald of Sigma Pi, Vol. 24, No. 1, May 1937 The Emerald of Sigma Pi, Vol. 24, No. 2, August 1937 The Emerald of Sigma Pi, Vol. 24, No. 3, November 1937 The Emerald of Sigma Pi, Vol. 24, No. 4, February 1938 The Emerald of Sigma Pi, Vol. 25, No. 1, May 1938 The Emerald of Sigma Pi, Vol. 25, No. 2, August 1938 The Emerald of Sigma Pi, Vol. 25, No. 3, November 1938 The Emerald of Sigma Pi, Vol. 25, No. 4, February 1939 The Emerald of Sigma Pi, Vol. 26, No. 1, May 1939 The Emerald of Sigma Pi, Vol. 26, No. 2, Augusts 1939 The Emerald of Sigma Pi, Vol. 26, No. 3, November 1939 The Emerald of Sigma Pi, Vol. 26, No. 4, February 1940 The Emerald of Sigma Pi, Vol. 27, No. 1, May 1940 The Emerald of Sigma Pi, Vol. 27, No. 2, August 1940 The Emerald of Sigma Pi, Vol. 27, No. 3, November 1940