The lusiads may be a reference to an extremely important book to the portuguese people written by Luís Vaz de Camões or it can be a reference to the portuguese people itself.
The Lusiads by Luís de Camões is often compared to Virgil's Aeneid for its epic style and themes of national identity and exploration. Both poems glorify the achievements of their respective nations through legendary tales of heroism and adventure.
Maria do Ceo is a fictitious character created by Portuguese poet Luis de Camões in his epic poem "Os Lusíadas" (The Lusiads). Maria do Ceo is a symbol of inspiration and divine guidance for the Portuguese explorers in their quest for new lands.
Alfred Rudulph Justice is best known for translating and adapting classic works of literature into English, such as "Pan Tadeusz" by Adam Mickiewicz and "The Lusiads" by Luís de Camões. He has also written scholarly works on Polish literature and culture.