Mr. duff conjectures that in the Latin books he printed from 1518 onwards Pynson was aided by Thomas Berthelet.
"Fine Books"
Alfred W. Pollard
Mr. Gordon duff has shown that a change comes over the character of his books about this time, and has suggested that during the latter years of his life his business was to some extent in the hands of Thomas Berthelet, who succeeded him as King's Printer.
"Fine Books"
Alfred W. Pollard
So does the editor of Murray's "Guide to India"-describes those who fought under duff, Grant, and Ford as an "English Force."
"From Edinburgh to India & Burmah"
William G. Burn Murdoch