- In the Crónica de D. Pedro, "este livro" (this book) concerns what Lopes seems to consider to be the first volume of his writings, including the chronicles of the first seven Portuguese kings followed by those of Kings Pedro and Fernando. The second volume started with King João I and was never completed. [TA]
- See also Chronicle of King Pedro, Prologue, line 9, where "no primeiro prólogo" (in the first prologue) means the prologue to his first book which was supposed to include the first nine kings of Portugal.