As part of his work as an antiquary Thomas visited every church in Worcestershire and transcribed many documents, including the now lost Red Book of Worcester.
Whilst at the college Thomas contributed verses to the collection of poetry published by the university on the birth of James Francis Edward Stuart, who briefly became Prince of Wales.
[3] Thomas aspired to writing a history of Worcestershire and in furtherance of this goal transcribed many old documents and visited every church in the county.
[1] Thomas published Antiquitates Prioratus Majoris Malverne in agro Wicciensi, an eight volume work, in London in 1725.
Thomas published A Survey of the Cathedral Church of Worcester, with an account of the Bishops thereof in London in 1736.
[6] A copy of Thomas's A Survey of the Cathedral Church of Worcester is held in the Royal Collection, possibly having been acquired by William IV.