| Synoptical Presentation of Digitized Manuscripts: | |
| Erzbischöfliche Diözesan- und Dombibliothek Köln Codices | |
| De Die Natali I II III IV V VI VII VIII IX X XI XII XIII XIV XV XVI XVII XVIII XIX XX XXI XXII XXIII XXIV | |
| Biblioteca Apostolica Vaticana Manuscript server does not allow to show manuscript in a frame Codices | |
| De Die Natali I | |
| Edition Used | ||
| De Die Natali | I. Cholodniak, St. Petersburg, 1898 |