Volume 16 (1961)

No. 12 pp. 2363–2600 December
No. 11 pp. 2081–2362 November
No. 10 pp. 1801–2078 October
No. 9 pp. 1657–1798 September
No. 8 pp. 1493–1651 August
No. 7 pp. 1271–1490 July
No. 6 pp. 1043–1270 June
No. 5 pp. 847–1042 May
No. 4 pp. 583–845 April
No. 3 pp. 355–581 March
No. 2 pp. 133–353 February
No. 1 pp. 1–132 January