Usual Sizes and Weights of Book Papers.
| Size. | Weight per Ream. | ||
| 22 × 32 | 30, 35 and 40 | lbs. | |
| 24 × 36 | 30, 35, 40 and 50 | " | |
| 25 × 38 | 35, 40, 45, 50, 60, 70, 80 and 100 | " | |
| 28 × 42 | 40, 50, 60, 70, 80, 100 and 120 | " | |
| 32 × 44 | 60, 70, 80, 100 and 120 | " | |
| Size. | Weight per Ream. | ||
| 22 × 32 | 30, 35 and 40 | lbs. | |
| 24 × 36 | 30, 35, 40 and 50 | " | |
| 25 × 38 | 35, 40, 45, 50, 60, 70, 80 and 100 | " | |
| 28 × 42 | 40, 50, 60, 70, 80, 100 and 120 | " | |
| 32 × 44 | 60, 70, 80, 100 and 120 | " | |