@book{ title = "Tractatus quatuor de immaculata conceptione b. Mariae Virginis", author = "Thomas", year = "1954", publisher = "Collegium S. Bonaventurae", address = "Quaracchi (Florentiae)", language = "lat", howpublished = "print", keywords = "Unbefleckte Empfängnis,Mariologie,Geschichte 1300-1400", series = "Bibliotheca Franciscana scholastica medii aevi, 16", }