S. de A. Toledo Neto and A. V. Oliveira Monteiro, “Colonel Francisco Gomes Vieira´s letters: news from a private collection”, Filol. Linguíst. Port., vol. 16, no. 2, pp. 457–475, Dec. 2014, doi: 10.11606/issn.2176-9419.v16i2p457-475.