Pietro de' Crescenzi (c. 1230/35 – c. 1320), Latin: 'Petrus de Crescentiis', was a Bolognesejurist,[1] now remembered for his writings on horticulture and agriculture, the Ruralia commoda.[2] There are many variant spellings of his name.[3]
^Robert G. Calkins, "Piero de' Crescenzi and the Medieval Garden", in Medieval Gardens, ed. Elisabeth B. MacDougall, Dumbarton Oaks, 1986: 155–173. Selected pages at Google Books
^Cite error: The named reference OSU was invoked but never defined (see the help page).
^Petrus de Crescentius, Petrus Crescentiensis, Peter de Crescentiis, Pietro dei Crescenzi, Pietro de Crescenzi, Pietro de Crescenzi, Pier de' Crescenzi, Pier de Crescenzi, Pier Crescenzi, Piero Crescientio, Piero de Crescenzi, Piero de' Crescenzi.