Papyri in the Princeton University collections - Johnson, Allan Chester, 1881-1955; Van Hoesen, Henry Bartlett, 1885-1965; Kase, Edmund Harris, 1905- (Princeton university press, 1931)
Imprint varies: [Vol. I] Baltimore, The Johns Hopkins press; London, H. Milford, Oxford university press; vol. II- Princeton, Princeton university press.
[Vol. I] has series note: The Johns Hopkins university studies in archaeology, no. 10.
Vol. II- Princeton university studies in papyrology, no. 1-
[Vol. I] edited with notes by Allan Chester Johnson and by Henry Bartlett Van Hoesen.
Vol. II, edited with notes by Edmund Harris Kase, jr.