@Book{PetrarcaThomas1859,
author  = "Petrarca, Francesco and Thomas, Georg Martin [Sonst.]",
title   = "Francisci Petrarcae Aretini Carmina incognita",
year    = "1859",
address = "Monachii",
series  = "Monumenta saecularia",
volume  = "1,1",
url     = "https://publikationen.badw.de/de/003403815",
}