Resi Gerritsen

German Shepherd Dog

2020

K9 Behavior Basics

2017

K9 explosive and mine detection

2017

K9 Scent Training

2017

K9 Schutzhund Training

K9 Schutzhund Training

2017

K9 Search and Rescue

2017

K9 Drug Detection

2016

K9 investigation errors

2016

K9 Working Breeds

2007

K9 Complete Care

2003

K9 Personal Protection

2002

K9 Professional Tracking

2001