▁in ▁ 1 7 9 2 ▁to ▁the ▁Coll ég iale ▁Saint - Pierre ▁de ▁Dou ai ▁by ▁Louis ▁P ér on ard . ▁ ▁Con vent ional ▁Build ings ▁ ▁The ▁Library ▁G os su in , ▁bel oved ▁dis ci ple ▁of ▁Bernard ▁of ▁Cla ir v aux , ▁contemporary ▁and ▁conquer or ▁of ▁Ab el ard , ▁was ▁one ▁of ▁the ▁most ▁learned ▁men ▁of ▁his ▁time ▁who ▁instit uted ▁a ▁school ▁of ▁manuscript ▁ill um ination ▁in ▁his ▁ab bey . ▁Some ▁manuscript s ▁escaped ▁wars ▁and ▁revolution s ▁form ▁with ▁those ▁of ▁the ▁March iennes ▁Ab bey , ▁a ▁large ▁part ▁of ▁the ▁collection ▁preserved ▁in ▁the ▁Library ▁of ▁Dou ai . ▁ ▁Tre asures ▁ ▁A ▁ 1 3 th ▁century ▁g ild ed ▁co pper ▁priest ' s ▁cross , ▁found ▁at ▁An chin ▁in ▁ 1 8 7 2 ▁in ▁a ▁tomb , ▁is ▁now ▁in ▁the ▁musée ▁des ▁Be aux - Ar ts ▁de ▁Val enci ennes . ▁The ▁An chin ▁Ret able ▁is ▁a ▁poly pty ch ▁on ▁wood ▁of ▁c . 1 5 5 1 ▁by ▁the ▁artist ▁Je han ▁Bel leg am be , ▁now ▁held ▁at ▁the ▁musée ▁de ▁la ▁Chart re use ▁de ▁Dou ai . ▁A ▁ 1 2 th - century ▁manuscript ▁containing ▁h agi ograph ies ▁of ▁St . ▁D unst an ▁and ▁Ach ard ▁of ▁St . ▁Victor . ▁The ▁L ille ▁painter ▁Joseph ▁W amps ▁also ▁produced ▁many ▁works ▁for ▁the ▁ab bey ,