▁known : ▁▁▁ 1 5 6 8 ▁- ▁ 2 0 ▁manuscript ▁sheets ▁on ▁par ch ment , ▁dedicated ▁to ▁D . ▁Lu ís ▁de ▁A ta í de ▁( B ibli oteca ▁Nacional , ▁Madrid ) ▁▁ 1 5 7 0 ▁- ▁ 2 0 ▁manuscript ▁sheets ▁on ▁par ch ment ▁( H un ting ton ▁Library , ▁San ▁Mar ino , ▁USA ) ▁▁ 1 5 7 1 ▁- ▁ 2 0 ▁manuscript ▁sheets ▁on ▁par ch ment , ▁from ▁which ▁ 2 ▁( the ▁front isp ie ce ▁and ▁the ▁Eastern ▁Mediter rane an ) ▁were ▁st olen ▁in ▁ 1 8 5 1 ▁( T or re ▁do ▁Tom bo , ▁Lis bon ). ▁ ▁c . ▁ 1 5 7 6 ▁- ▁ 2 0 ▁manuscript ▁sheets ▁on ▁par ch ment ▁( B ibli oteca ▁Nacional ▁de ▁Portugal , ▁Lis bon ) ▁▁ 1 5 7 5 ▁- ▁ 2 1 ▁manuscript ▁sheets ▁on ▁par ch ment ▁( B rit ish ▁Museum , ▁London ) ▁▁ 1 5 8 0 ▁- ▁ 2 0 ▁manuscript ▁sheets ▁on ▁par ch ment ▁( B ibli oteca ▁Nacional ▁de ▁Portugal , ▁Lis bon ) ▁ ▁The ▁pl ates ▁of ▁all ▁the ▁at l ases ▁are ▁reprodu ced , ▁mainly ▁in ▁mon och rome ▁in ▁Portugal iae ▁Monument a ▁Cart ograph ica . ▁The ▁ 1 5 7 1 ▁at las ▁was ▁reprodu ced ▁in ▁colour , ▁with ▁a ▁re construct ed ▁front isp ie ce , ▁and , ▁in exp lic