Anas Laysanensis (Laysan Duck), 1962, 1965-1966Roger B. Clapp, Dennis L. Stadel · First published 2021Open the Tome
Anous Minutus (Hawaiian Noddy Tern)C. Douglas Hackman, Roger B. Clapp, Frank Smith · First published 2021Open the Tome
Fregata Minor (Great Frigatebird), 1963-1968A. Binion Amerson, Roger B. Clapp, Richard D. Chandler · First published 2021Open the Tome
Marine birds of the southeastern United States and Gulf of MexicoRoger B. Clapp · First published 1982Open the Tome
The natural history of Necker Island, northwestern Hawaiian IslandsRoger B. Clapp · First published 1977Open the Tome
The natural history of Lisianski Island, Northwestern Hawaiian IslandsRoger B. Clapp · First published 1975Open the Tome
The natural history of Gardner Pinnacles, Northwestern Hawaiian IslandsRoger B. Clapp · First published 1972Open the Tome
Notes on the vascular flora and terrestrial vertebrates of Caroline Atoll, southern Line IslandsRoger B. Clapp, Fred C. Sibley · First published 1971Open the Tome
The vascular flora and terrestrial vertebrates of Vostok Island, south-central PacificRoger B. Clapp, Fred C. Sibley · First published 1971Open the Tome
