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- Volume 68, Number 1, Pages 1 - 130
- Volume 68, Number 2, Pages 131 - 271
- Volume 68, Number 3, Pages 273 - 394
- Volume 68, Number 4, Pages 395 - 526
- Volume 68, Number 5, Pages 527 - 656
- Volume 68, Number 6, Pages 657 - 790
- Volume 68, Number 7, Pages 797 - 932
- Volume 68, Number 8, Pages 933 - 1075
- Volume 68, Number 9, Pages 1077 - 1224
- Volume 68, Number 10, Pages 1225 - 1414
- Volume 68, Number 11, Pages 1415 - 1584
- Volume 68, Number 12, Pages 1585 - 1692
