Extraordinarily, the building contract survives in the parish collection of All Saints' church (Ref. P/AS/D/HS/C/9) (online catalogue), in the collections of Bristol Archives, currently on display at M Shed museum.
The building contract is kept in the parish records of All Saints' church (Ref. P/AS/D/HS/C/9) available online and in the archives of Bristol, which are now on display at M Shed museum.