Volume 26 :  5 January 1976 – 6 December 1976

• Vol. 26, Complete (5 January 1976 – 6 December 1976)

Volume 27 :  10 December 1978 – 18 December 1978

• Vol. 27, Complete (10 January 1977 – 21 December 1977)

Volume 28 :  9 January 1978 – 18 December 1978

• Vol. 28, Complete (9 January 1978 – 18 December 1978)

Volume 29 :  Missing

Volume 30 :  Missing