De rervm natvralivm principiis, Simonis Portii Neapolitani libri dvo: qvibvs plvrimae, eaq́; baud contemnenda quaestiones naturales esplicantur.
Series: Manuscripta, microfilms of rare and out-of-print books -- list 5, no. 57
Publisher: apvd Gio. Mariam Scotvm
Published: 1959
Place of publication: Neapoli
Language: lat
Number of pages: 50
Notes: Microfilm copy, made in 1959, of the original in Vatican. Biblioteca vaticana. Positive.

Negative in Vatican. Biblioteca vaticana.

Printer's mark on t.-p.