The timeline of presidential election campaignsRobert S. Erickson · First published 2012Open the Tome
Timeline of Presidential ElectionsRobert S. Erikson, Christopher Wlezien, Robert S. Erickson · First published 2012Open the Tome
Practicing Texas politicsLyle C. Brown, Joe E. Erickson, Robert S., Jr Trotter, Joyce A. Langenegger, Ted Lewis · First published 1998Open the Tome
