Physical Review Letters – Volume 67
July - December 1991

• Issue 27 –30 December 1991, pp. 3735-3874
• Issue 26 –23 December 1991, pp. 3635-3733
• Issue 25 –16 December 1991, pp. 3465-3634
• Issue 24 –9 December 1991, pp. 3325-3464
• Issue 23 –2 December 1991, pp. 3201-3323
• Issue 22 –25 November 1991, pp. 3047-3200
• Issue 21 –18 November 1991, pp. 2921-3045
• Issue 20 –11 November 1991, pp. 2749-2920
• Issue 19 –4 November 1991, pp. 2593-2748
• Issue 18 –28 October 1991, pp. 2405-2592
• Issue 17 –21 October 1991, pp. 2239-2403
• Issue 16 –14 October 1991, pp. 2115-2237
• Issue 15 –7 October 1991, pp. 1941-2113
• Issue 14 –30 September 1991, pp. 1813-1939
• Issue 13 –23 September 1991, pp. 1673-1811
• Issue 12 –16 September 1991, pp. 1479-1672
• Issue 11 –9 September 1991, pp. 1373-1477
• Issue 10 –2 September 1991, pp. 1177-1371
• Issue 9 –26 August 1991, pp. 1057-1175
• Issue 8 –19 August 1991, pp. 933-1055
• Issue 7 –12 August 1991, pp. 777-932
• Issue 6 –5 August 1991, pp. 661-773
• Issue 5 –29 July 1991, pp. 529-660
• Issue 4 –22 July 1991, pp. 411-528
• Issue 3 –15 July 1991, pp. 285-409
• Issue 2 –8 July 1991, pp. 161-283
• Issue 1 –1 July 1991, pp. 1-159