Atmosphæra causa est crepusculi. Origo servitutis non est à naturâ / Jun. 30. 1679. in vesperiis Comit. resp. in philos. Gul. Pennynge, Coll. Trin. soc. [electronic resource]
Broadside printed in two columns. Each column has separate title
Reproduction of original in Huntington Library
Wing P1399
Electronic reproduction. Ann Arbor, Mich. : UMI, 1999- (Early English books online) Digital version of: (Early English books, 1641-1700 ; 1659:8) s1999 miun s