@book { CatholicPrinciplesofSlaveryintheTeachingofTheologiansofthe16thand17thCenturies,
    title = "Catholic Principles of Slavery in the Teaching of Theologians of the 16th and 17th Centuries",
    author = "Grzegorz {Kulik}",
    year = "2026",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b23346",
    url = "https://www.peterlang.com/document/1608449"
}