- ISSN 0010-0765 printed
- ISSN 1212-6950 electronic
1957, Volume 22
- Issue 6 contents (June, pp. 1717-1929)
- Issue 5 contents (May, pp. 1343-1712)
- Issue 4 contents (April, pp. 1083-1341)
- Issue 3 contents (March, pp. 669-1073)
- Issue 2 contents (February, pp. 339-668)
- Issue 1 contents (January, pp. 1-336)
