Oxford Dictionary of National Biography
Anthony Verduyn, Burghersh, Bartholomew, the elder, second Lord Burghersh (d. 1355), first published 2004, 1045 words, with portrait illustration
http://dx.doi.org/10.1093/ref:odnb/4005
> View Bartholomew Burghersh the elder complete biography [Oxford DNB subscription required; no subscription?]
