▁his ▁considerable ▁collection ▁of ▁books ▁that ▁formed ▁one ▁of ▁the ▁largest ▁private ▁libraries ▁of ▁Renaissance ▁France . ▁ ▁In ▁ 1 5 8 9 , ▁he ▁supported ▁the ▁ins urre ction ▁of ▁the ▁Duke ▁of ▁Mer c œur , ▁was ▁per sec uted ▁by ▁the ▁French ▁authorities ▁and ▁died ▁one ▁year ▁later . ▁ ▁Works ▁ ▁L ' histoire ▁de ▁Bre ta igne , ▁des ▁ro ys , ▁du cs , ▁com tes ▁et ▁princes ▁d ' ic elle : ▁l ' ét abl issement ▁du ▁Ro yaume , ▁mut ation ▁de ▁ce ▁til tre ▁en ▁Duch é , ▁continu é ▁j us ques ▁au ▁temps ▁de ▁Madame ▁Anne ▁dernière ▁Duch esse , ▁& ▁depuis ▁Roy ne ▁de ▁France , ▁par ▁le ▁mari age ▁de ▁laquelle ▁pass a ▁le ▁Duch é ▁en ▁la ▁maison ▁de ▁France . ▁Jacques ▁du ▁Pu ys , ▁ 1 5 8 8 . ▁ ▁C oust umes ▁gén ér ales ▁des ▁pays ▁et ▁du ché ▁de ▁Bret agne , ▁Paris , ▁Nicolas ▁Bu on , ▁ 1 6 0 8 ▁( r éd ig é ▁en ▁ 1 5 6 8 ) ▁Ad vis ▁sur ▁le ▁part age ▁des ▁nobles ▁( 1 5 7 0 ) ▁Comment aires ▁( sur ▁l ' An ci enne ▁C out ume ▁de ▁Bret agne ), ▁on ▁various ▁topics ▁( 1 5 7 6 , ▁ 1 5 8 4 ) ▁A iti ologia ▁( 1 5 8 4 ), ▁summary ▁of ▁the ▁deb ates ▁about ▁the ▁re formation ▁of ▁the ▁Bre