The text was composed in 1628. The surviving Academia das Ciências de Lisboa manuscript, MS Vermelho n.º 91, is catalogued as 1630; composition date and manuscript-copy date are therefore retained separately.
Quality phase 349: individually reconfirmed against the Academia das Ciências de Lisboa catalogue. The work was composed in 1628 and the surviving codex is catalogued as 1630; Lisbon remains the repository rather than a demonstrated production city.