The twentieth century and beyondRichard D. Goff, Richard Goff, Walter G Moss, Janice Terry, Jiu-Hwa Upshur, Michael Schroeder · First published 2007Open the Tome
The Twentieth centuryRichard D. Goff, Richard Goff, Walter G Moss, Janice Terry, Jiu-Hwa Upshur · First published 1990 · Latest edition 2001Open the Tome
The twentieth century, a brief global historyRichard D. Goff · First published 1983 · Latest edition 1986Open the Tome
