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1933. Handbuch der Palaeornithologie. 1024 pages, 209 figures, 4 plates. Berlin: Gebrüder Borntraeger.

Marsh, O.C.

1870. Notice of Some Fossil Birds from the Cretaceous and Tertiary Formations of the United States. American Journal of Science, series 2, 49:205-217.

1872. Preliminary Description of Hesperornis regalis, with Notices of Four Other New Species of Cretaceous Birds. American Journal of Science, series 3, 3:360-365.

1880. Odontornithes: A Monograph on the Extinct Toothed Birds of North America. Report of the Geological Exploration of the Fortieth Parallel, volume 7: xv + 201 pages, 40 figures, 34 plates.

Miller, Halsey W., Jr.

1955. A Check-list of the Cretaceous and Tertiary Vertebrates of New Jersey. Journal of Paleontology, 29(5):903-914.

Minard, J.P., W.J. Perry, E.G.A. Weed, E.C. Rhodehamel, E.I. Robbins, and R.B. Mixon

1974. Preliminary Report on Geology along Atlantic Coastal Margin of Northeastern United States. American Association of Petroleum Geologists Bulletin, 58(6):1169-1178, 7 figures.