47. The Boulé Journal, 03-01-1973 Creator: Sigma Pi Phi. Date: March 1, 1973 Format: Text Access: Public
48. The Boulé Journal, 06-01-1973 Creator: Sigma Pi Phi. Date: June 1, 1973 Format: Text Access: Public
49. The Boulé Journal, 09-01-1973 Creator: Sigma Pi Phi. Date: September 1, 1973 Format: Text Access: Public
50. The Boulé Journal, 12-01-1973 Creator: Sigma Pi Phi. Date: December 1, 1973 Format: Text Access: Public