Volume 18, 1974
- vol. 18, no. 11, pg. 1-3, 6, 7
- vol. 18, no. 9, pg. 1
- vol. 18, no. 8, pg. 1, 3, 5, 7
- vol. 18, no. 7, pg. 5, 7, 8
- vol. 18, no. 6, pg. 3, 5
- vol. 18, no. 5, pg. 3
- vol. 18, no. 4, pg. 1, 3, 8, 9
- vol. 18, no. 3, pg. 7
- vol. 18, no. 2, pg. 7
- vol. 18, no. 1, pg. 1, 3, 4