The constitution of the Republic of Venice never really existed. The Venetian nobility just made it up as they went.
“Consiglio dei Dieci” from the L’Archivio di Stato di Venezia: indice generale, storico, descrittivo ed analitico (1937) by Andrea da Mosto
“Consiglio dei Dieci” from the Lessico Veneto (1851) by Fabio Mutinelli, translated by René Seindal.
“S. Polo (Sestiere, Campo, Salizzada, Ponte, Rio)” from Curiosità Veneziane by Giuseppe Tassini
Marin Falier was a doge of Venice, but he was beheaded on April 17th, 1355, for having orchestrated a coup against the state he led