In laudem operis kalendarij. s. huius Johanne de Monte Regio editi Germano[rum] decoris nostrae aetatis astronomoru[m] principis Jacobi Sontini Ricinensis Carmina
Regiomontanus, Joannes, 1436-1476 · [Venice] : Hoc augustensis Ratdolt German[us] Erhardus dispositis signis vndiq[ue] pressit opus ... · leaf 45
Ephemerides · Calendar
Internet Archive · John Carter Brown Library · Public domain. Free to use for anything.
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