Tree of OriginRichard Byrne, Robin Dunbar, W.C. McGrew, Anne Pusey, Charles Snowdon, Craig B. Stanford, Karen B. Strier, Richard Wrangham · First published 2002Open the Tome
Communications in the twenty-first centuryRobert William Haigh, George Gerbner, Richard B. Byrne · First published 1981Open the Tome
