Ibarra's printing used various foundries of his time, highlighting games Gerónimo Gil, the Smelter Rangel (used by the Gazette, and they really are a game of Garamond), types of Lleida Eudald Pradell with casting Madrid, a game of Garamond, and the celebrated and reviled italic cast which composed the Sallust, abierta open by the academic and writer Murcia Espinosa de los Monteros, who owned a foundry in Madrid.