1971 One volume in two issues. 8vo. Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1972 One volume in two issues. 8vo. Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1974 One volume in two issues. 8vo. Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1975 Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1976 Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1977 Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1978 Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1979 Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1981 Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).
1982 Printed wrappers.With original papers, also including new taxa, and reviews of other malacological publications (usually by copying the magazines front wrappers or indexes).