The genealogy and social history of the Thomas Higgs (1809-1889) family of Trivoli, Peoria County, IllinoisRoger Higgs · First published 2005Open the Tome
Social history and genealogy of the Leonard Charles Higgs family and forebears in the area of Trivoli, Peoria County, IllinoisRoger Higgs · First published 2003Open the Tome
Social history and genealogy of the forebears and descendants of Joshua and Mary Jane (King) Brown of Peoria County, IllinoisRoger Higgs · First published 2011Open the Tome
Primary Care Ethics; Ed. By Deborah BowmanDeborah Bowman, John Spicer, Roger Higgs · First published 2007Open the Tome
Upper Carboniferous lacustrine and deltaic sedimentology, S.W. EnglandRoger Higgs · First published 1991Open the Tome
Some aspects of the petroleum geology of the Queen Charlotte IslandsRoger Y. Higgs · First published 1988Open the Tome
Agricultural mathematics; problems in production, management, marketing, mechanization, environmental qualityRoger Higgs · First published 1973Open the Tome
