The book you are seeking was written and published by Cora Pattison Haskew. The title is "Historical Documents of Austin and Waller Counties" Mrs. Haskew is no longer with us but it is an excellent documentation of the Pattison family. You can get it through Interlibrary Loan.
There are descendants of James T. Pattison living in Pattison, TX. You could call the Waller County Museum in Brookshire, Texas and the Director will give you the names of your relatives livng in Pattison.