Archive of 1971 Online Issues
- January; 67 (1): 5 - 149
- February; 67 (2): 151 - 317
- March; 67 (3): 319 - 454
- April; 67 (4): 455 - 603
- May; 68 (1): 1 - 184
- June; 68 (2): 185 - 321
- July; 68 (3): 323 - 456
- August; 68 (4): 457 - 607
- September; 69 (1): 1 - 132
- October; 69 (2): 133 - 273
- November; 69 (3): 275 - 408
- December; 69 (4): 409 - 529