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File includes issue no. 2, May-June 1976.

Includes the following issues

• Vol. 3, nos. 16, 17, 23-25 (1971)
• Vol. 4, nos. 1-13, 15, 16, 18-24, 26 (1972)
• Vol. 5, nos. 1-5, 7-9, 11, 12, 13-25 (1973)
• Vol. 6 nos. 1, 4, 7, 8, 13-25 (1974)
• Vol. 7, nos. 1-2, 4-14, 16-22, 24 (1975)
• Vol. 8, nos. 1-21, 25-26 (1976)
• Vol. 9, nos. 1-13, 17-25 (1977)
• Vol. 10, nos. 1-21, 24 (1978)
• vol. 11, nos. 4-6 (1979)

File includes the following issues:

• vol. 5, no. 3 (1972)
• vol. 6, no. 2 (1973)
• vol. 7, nos. 1-3 (1974)
• vol. 8, no. 1 (1976)
• Vol. 9, no. 2 (1977)