O’FARRELL BREON
- Philosophy dog, The art of living with man’s best friend - Universe Publishing New York 2001
ISBN0-7893-0596-8
O'HEARE JAMES
- Canine neuropsychology for dog behavior counselors and trainers - Gentle Solutions 2001
- The Canine Aggression Workbook - DogPsych, Canada 2003
ISBN 0-9689668-4-5
- The dog aggression workbook - DogPsych publishing, Ottawa Canada 2007
ISBN 978-0-9738369-3-6
- Aggressive behavior in dogs - DogPsych publishing, Ottawa Canada 2007
ISBN 978-0-9738369-2-9
- EMPOWERMENT TRAINING - Behave Tech Publishing, Ottawa Canada 2011
ISBN 978-0-9738369-7-4
- DOG TRAINING, The science and technology of – BehaveTech Publishing 2014
ISBN 978-1-927744-00-0
- RESOLVING FEARS, PHOBIAS, and ANXIETIES, A Guide for Dog Guardians - BehaveTech Publishing 2018
ISBN 978-1-927744-18-5
- RESOLVING FEARS, PHOBIAS, and ANXIETIES, An Errorless Differential Reinforcement Approach for Professionals, A Manual for Professionals - BehaveTech Publishing 2018
OHL FRAUKE en ENDENBURG NIENKE
- HOND & KIND het perfecte team - Fontaine Uitgevers 2008
ISBN978 90 5956 2561
OLMERT MEG DALEY
- MADE FOR EACH OTHER, The Biology of the Human - Animal Bond - Da Capo Press 2009
ISBN 978-0-306-81736-6
OLSON LEW, PhD
- Raw & Natural Nutrition for Dogs, The definitive Guide to Homemade Meals - North Atlantic Books, Berkeley California 2010
ISBN 978-1-55643-903-2
O’MEARA RYAN
- Hondenparade, Ons familiealbum vol weetjes en gekkigheden ! - Tirion Natuur 2010
ISBN 978-90-5210-849-0
- CLEVER DOG ! Life lessons from the world’s most successful animal - Veloce Publishing Limites 2011
ISBN 978-1-845843-45-8
OSBORNE CAROL
- Honden : wat u en de dierenarts kunnen doen. Reguliere en alternatieve diergeneeskunde. Bosch en Keuning 1999
ISBN 90-246-0595-4
OSBORNE MAGARET EN RUUD HAAK
- Collies en Shelties - Zuid Boekprodukties bv 1985
ISBN90 6248 208 2
OSTRANDER ELAINE, URS GIGER and KERSTIN LINDBLAD-TOH
- THE DOG AND ITS GENOME - Cold Spring Harbor Laboratory Press New York 2006
ISBN 087969742-3
OVERALL KAREN L.
- CLINICAL BEHAVIORAL MEDICINE FOR SMALL ANIMALS - MOSBY 1997
ISBN 0-8016-6820-4
OWENS PAUL
- The Dog Whisperer A Compassionate, Nonviolent Approach to Dog Training - Adams Media Corporation Holbrook Massachusetts 1999
ISBN 1-58062-203-8
OWENS WRIGHT SUA
- Activities for BORED DOGS, Adams Media- 2007
ISBN 1-59337-688-X
- Philosophy dog, The art of living with man’s best friend - Universe Publishing New York 2001
ISBN0-7893-0596-8
O'HEARE JAMES
- Canine neuropsychology for dog behavior counselors and trainers - Gentle Solutions 2001
- The Canine Aggression Workbook - DogPsych, Canada 2003
ISBN 0-9689668-4-5
- The dog aggression workbook - DogPsych publishing, Ottawa Canada 2007
ISBN 978-0-9738369-3-6
- Aggressive behavior in dogs - DogPsych publishing, Ottawa Canada 2007
ISBN 978-0-9738369-2-9
- EMPOWERMENT TRAINING - Behave Tech Publishing, Ottawa Canada 2011
ISBN 978-0-9738369-7-4
- DOG TRAINING, The science and technology of – BehaveTech Publishing 2014
ISBN 978-1-927744-00-0
- RESOLVING FEARS, PHOBIAS, and ANXIETIES, A Guide for Dog Guardians - BehaveTech Publishing 2018
ISBN 978-1-927744-18-5
- RESOLVING FEARS, PHOBIAS, and ANXIETIES, An Errorless Differential Reinforcement Approach for Professionals, A Manual for Professionals - BehaveTech Publishing 2018
OHL FRAUKE en ENDENBURG NIENKE
- HOND & KIND het perfecte team - Fontaine Uitgevers 2008
ISBN978 90 5956 2561
OLMERT MEG DALEY
- MADE FOR EACH OTHER, The Biology of the Human - Animal Bond - Da Capo Press 2009
ISBN 978-0-306-81736-6
OLSON LEW, PhD
- Raw & Natural Nutrition for Dogs, The definitive Guide to Homemade Meals - North Atlantic Books, Berkeley California 2010
ISBN 978-1-55643-903-2
O’MEARA RYAN
- Hondenparade, Ons familiealbum vol weetjes en gekkigheden ! - Tirion Natuur 2010
ISBN 978-90-5210-849-0
- CLEVER DOG ! Life lessons from the world’s most successful animal - Veloce Publishing Limites 2011
ISBN 978-1-845843-45-8
OSBORNE CAROL
- Honden : wat u en de dierenarts kunnen doen. Reguliere en alternatieve diergeneeskunde. Bosch en Keuning 1999
ISBN 90-246-0595-4
OSBORNE MAGARET EN RUUD HAAK
- Collies en Shelties - Zuid Boekprodukties bv 1985
ISBN90 6248 208 2
OSTRANDER ELAINE, URS GIGER and KERSTIN LINDBLAD-TOH
- THE DOG AND ITS GENOME - Cold Spring Harbor Laboratory Press New York 2006
ISBN 087969742-3
OVERALL KAREN L.
- CLINICAL BEHAVIORAL MEDICINE FOR SMALL ANIMALS - MOSBY 1997
ISBN 0-8016-6820-4
OWENS PAUL
- The Dog Whisperer A Compassionate, Nonviolent Approach to Dog Training - Adams Media Corporation Holbrook Massachusetts 1999
ISBN 1-58062-203-8
OWENS WRIGHT SUA
- Activities for BORED DOGS, Adams Media- 2007
ISBN 1-59337-688-X