Robert DavidsonDavidson, Robert, Barbara Brotherton, Sheila Farr, John Haworth · First published 2013Open the Tome
Ancestors and Descendants of Henry Wildy Harding, SrRobert Brotherton, David Reed · First published 2015Open the Tome
Inventory of Amphibians and Reptiles at Sagamore Hill National Historic SiteRobert P. Cook, David K. Brotherton, John L. Behler, National Park Service Staff, U. S. Department of the Interior Staff · First published 2010Open the Tome
Computer simulation games and economics teachingRobert Arthur Brotherton · First published 1981Open the Tome
