The first volume "is at once the first of the Graeco-Roman archaeological series in the publications of the University of California and the annual volume of the Graeco-Roman branch [of the Egypt exploration fund] for 1900-1, and also ... for 1901-2."--pt. I, p. ix. Vol. III is also the joint production of the two bodies.
The 4 volumes are numbered: part I, part II, vol. III, part I, vol. III, part II.
Vol. III, pt. II has imprint: London, Cambridge university press; vol. IV has imprint: London published for the British Academy by Egypt Exploration Society.
Part II edited by B. P. Grenfell, A. S. Hunt and E. J. Goodspeed ; vol. III, pt. I by A. S. Hunt and J. G. Smyly, assisted by B. P. Grenfell, E. Lobel and M. Rostovtzeff; vol. III, pt. II by A. S. Hunt, J. G. Smyly and C. C. Edgar; vol. IV by J. G. Keenan and J. C. Shelton.