Waitz (1878) Scriptores rerum Langobardicarum et Italicarum
Waitz, Georg. Scriptores rerum Langobardicarum et Italicarum saec. 6.-9. Hannoverae impensis Bibliopolii Hahniani, 1878
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Main sources for early Venice
A summary of the main primary sources for the early history of Venice, and where to find them.