Burns, J. (1991). Fossil collecting in the Mid-Atlantic states: With localities, collecting tips, and illustrations of more than 450 fossil specimens (A Robert G. Merrick ed.). Baltimore: Johns Hopkins University Press.

Burns, Jasper. Fossil Collecting in the Mid-Atlantic States: With Localities, Collecting Tips, and Illustrations of More Than 450 Fossil Specimens. A Robert G. Merrick ed. Baltimore: Johns Hopkins University Press, 1991.

Burns, Jasper. Fossil Collecting in the Mid-Atlantic States: With Localities, Collecting Tips, and Illustrations of More Than 450 Fossil Specimens. A Robert G. Merrick ed. Baltimore: Johns Hopkins University Press, 1991.