Abbreviations
| AHR | American Historical Review |
| ARG | Archiv für Reformationsgeschicte |
| BHR | Bibliothèque d’Humanisme et Renaissance |
| BnF | Bibliothèque nationale de France |
| BOL | Martini Buceri Opera Latina. Martini Buceri Opera Omnia, Series 2. Leiden: Brill, 1954–. |
| CO | Opera quae supersunt omnia. 59 volumes. Corpus Reformatorum 29–87. Edited by Wilhelm Baum, Edward Cunitz, & Edward Reuss. Brunswick: Schwetschke, 1863–1900. |
| COR | Ioannis Calvini opera omnia denuo recognita et adnotatione critica instructa notisque illustrata. Geneva, 1992–. |
| LCC | The Library of Christian Classics. 26 Volumes. Philadelphia: Westminster, 1952–69. |
| LW | Luther’s Works, 55+ volumes. St. Louis & Philadelphia: Concordia & Fortress, 1955–. |
| OS | Joannis Calvini opera selecta. Edited by P. Barth and G. Niesel. 5 vols. Munich: Kaiser, 1926–36. |
| QGT | Quellen zur Geschichte der Täufer |
| RHDF | Revue historique de droit français et étranger |
| SCJ | The Sixteenth Century Journal |
| W2 | Dr. Martin Luthers Sämmtliche Schriften. Edited by Johann Georg Walch. St. Louis: Concordia, 1881–1910. |
| WA | D. Martin Luthers Werke: Kritische Gesamtausgabe. 120+ volumes. Weimar: Bohlaus, 1883–. (WA for the writings, WADB for the Luther Bible, WABR for the letters, WATR for the Table Talks). |
| WPBW | Willibald Pirckheimers Briefweschsel, ed. Emil Reicke et al., 7 vols. (Munich: Beck, 1940–2009) |
| ZSKG | Zeitschrift für schweizerische Kirchengeschichte |
| ZW | Huldreich Zwinglis Sämtliche Werke. Edited by Emil Egli et al. Leipzig/Zurich: Heinsius/TVZ, 1905–91 |