First Coat of Arms of Pernambuco state, Brazil, of the XVII century, according to the publications Brasões das Villas e Cidades de Portugal, no date, end of the XVIII century, and Almeida Langhans, in "Armorial do Ultramar Português; 2 vols. 1966. Emerson
It is the text of a treaty, convention, law, decree, regulation, judicial decision, or other official enactment. (Law 9610/1998, art. 8)
It is a work whose authors' rights belong to the Brazilian government (federal, state, or municipal), for which the economic rights shall be protected for a period of 70 years from the first of January of the year following that of their disclosure or that of the author's demise, whichever is later. ([1])
First Coat of Arms of Pernambuco state, Brazil, of the XVII century, according to the publications Brasões das Villas e Cidades de Portugal, no date, end of the XVIII century, and Almeida Langhans, in "Armorial do Ultramar Português; 2 vols. 1966. Emers