Fontes / e registris vaticanis aliisque fontibus collegit Aloysius L. Tautu, canonicus ... Series III. Volumen III. Acta Honorii III (1216-1227) et Gregorii IX (1227-1241)
. – [Civitas Vaticana] : Typis Polyglottis Vaticanis, 1950
. – XXIV, 400 p. ; 28 cm