George Oliver   Hello The help with disambiguating is appreciated George Oliver was a Roman Catholic historian from Exeter whose life overlaps with another George Oliver Anglican This is not the one you want httpwwwoxforddnbcomindexGeorgeOliver The author of the Monasticon and other works was  httpauthoritieslocgovcgibinPwebreconcgiAuthRecIDvHCSEQPIDRbECaLzARzRromutWHrqqCtE and he is in the Catholic Encyclopedia alsoFelix folio secundus