1656-1743 acculturation blair buildings collegeofwilliam culturalassimilation education enfantsdespeuplesautochtones exhibitions expositions éducation histoire historicbuildings history historybraffertonindianschool indianchildren indians indiansofnorthamerica internatspourautochtones james josephandmargaretmuscarellemuseumofart mary off-reservationboardingschools peuplesautochtones traitement treatment treatmentof virginia virginie williamsburg