no the schofield text rarely makes claims of the first sort that is one of its major problems actually it doesn't effectively place priestley in his historical milieu i had to rely on other sources such as tapper to do that most of the generalized statements about priestley's importance do not come from schofield i would not rely on the jp a comet in the system book it is not the most reliable text we have see publication information and citing a dissertation is sad to say not the first line of defense i already listed that schofield quote above which shows priestley's indebtedness to other eighteenth century thinkers that list is more reliable in my opinion i agree that schofield is partial to priestley it was kind of frustrating actually because it was the most complete account of priestley there was talk