January 1975

(1975) Tapol bulletin no, 8, January 1975. Tapol bulletin (8). pp. 1-8. ISSN 1356-1154

March 1975

(1975) Ecoso exchange no. 9 : incorporating Irregular no. 59. Ecoso exchange incorporating Irregular (9). pp. 1-6.

(1975) Tapol bulletin no, 9, March 1975. Tapol bulletin (9). pp. 1-8. ISSN 1356-1154

June 1975

(1975) Tapol bulletin no, 10, June 1975. Tapol bulletin (10). pp. 1-8. ISSN 1356-1154

August 1975

(1975) Tapol bulletin no, 11, August 1975. Tapol bulletin (11). pp. 1-8. ISSN 1356-1154

Crow, Ruth and Crow, Maurie (1975) Ecoso exchange no. 10 : incorporating Irregular no. 60. Ecoso exchange incorporating Irregular (10). pp. 1-14. (Unpublished)

October 1975

(1975) Tapol bulletin no, 12, October 1975. Tapol bulletin (12). pp. 1-8. ISSN 1356-1154

December 1975

(1975) Tapol bulletin no, 13, December 1975. Tapol bulletin (13). pp. 1-10. ISSN 1356-1154