English G, Grammatik, Test- und ÜbungsbuchDavid W. Bygott, Helen Weiss, Franz Vettel, Hellmut Schwarz · First published 1995Open the Tome
Agonistic behavour and dominance in wild chimpanzeesJohn David Bygott · First published 1974Open the Tome
An Introduction to Mapwork and Practical GeographyDavid Charles Money John Bygott · First published 1962Open the Tome
