註釋
Began with issue for May/June 1943.;;Description base on vol.35, no. 1 (May 1960), title from cover.;;Library has: v.35, no.1 (May 1960), v.36, no.2 (Aug 1961), v.36, no.3 (Nov 1961), v.43, no.4 (Feb 1969), v.44, no.3 (Nov 1969), v.44, no.4 (Feb 1970), v.45, no.1 (May 1970), v.48, no.1 (May 1973), v.50, no.2 (Aug 1975), v.52, no.4 (Feb 1978);;Library has: v.53, no.1 (spring 1979), v.67, no.2 (Aug 1992), v.67, no.4 (Feb 1993), v.68, no.1 (May 1993), v.68, no.2 (Aug 1993), v.68, no.3 (Nov 1993);;Quarterly.