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by Hopkins, E. David
by Parkinson, Tom; Hopkins, David; Hyland, Angus
by David Gardner; Catherine Owen; Eleanor Hopkins; et al.
by David R. Klein (Johns Hopkins Univ.)
by Hopkins,David
by Joyce, Bruce R.; Calhoun, Emily; Hopkins, David
by Gray, John; Hopkins, David; Reynolds, David; et al.
by Hammond, Paul; Hopkins, David