1992-1994 Four (of six) issues with numerous interesting papers.
1972 Three issues, Large 8vo. With the index. Original printed wrappers. Incomplete volume. This volume has seven instead of six parts.
1973-1975 One volume in six issues. Large 8vo, original printed wrappers, index. With many original papers, several with new taxa. Complete volume.
1976-1978 In six issues, Large 8vo. With the index. Original printed wrappers. A very good, complete volume.
1978-1982 Ten issues. In binder, with punchholes. Original printed covers preserved. The last two issues of vol. 29, the whole vol. 30 and the first two issues of vol. 31. Many papers, several with new taxa.
1982 In two issues, Large 8vo. Original printed wrappers.