Behavior Problems of the Dog and CatGary M. Landsberg, Wayne L. Hunthausen, Lowell J. Ackerman · First published 2012Open the Tome
Dog behavior and trainingLowell J. Ackerman, Gary M. Landsberg, Wayne L. Hunthausen · First published 1996Open the Tome
Cat behavior and trainingLowell J. Ackerman, Gary M. Landsberg, Wayne L. Hunthausen · First published 1996Open the Tome
