0.18 Arn Tibbetts Charlene Tibbetts, Arn and Charlene Tibbetts Respond, College English, 1983.
| { book books library edition } | 0.18 |
| { professor article response comment } | 0.12 |
| { people read write time } | 0.08 |
| { sentence sentences paragraph paragraphs } | 0.08 |