30306.1

Service, Bulletins No.29-47 [following News 1-28, see 30305.4].

(1965 - 1968)

  30306.2

Service, Bulletins No.48-72.

(1968 - 1974)

  30306.3

Service, Bulletins No.73-79. (1975 - 1977)
Service, New Series, Bulletins No.1-14. (1977 - 1979)

(1975 - 1979)