Program: CLOCKSS
- Publisher: Rice University
- Print ISSN: 0067-2378
- Electronic ISSN: 1558-5255
- OCLC Number:
- Summary Holdings: v.1-v.4 (1965-1968); v.6 (1970); v.8-v.9 (1972-1973); v.11-v.12 (1975-1977); v.14-v.15 (1978-1979); v.17 (1981); v.19 (1983-1984); v.21-v.53 (1985-2022)
- Holdings Format: Digital