Roegner, G.C. and R. Mann. 1991. Hard clam. pp. 5.1-5.17. In: Funderburk, S., J. Mihursky, S. Jordan, and D. Riley (eds.) Habitat requirements for Chesapeake Bay Living Resources, 2nd edition. Living Resources Subcommittee, Chesapeake Bay Program. Annapolis, MD.