The International Association of Assistance Dog Partners (IAADP) offers a peer facilitated monthly support call where participants come to share their loss and ideas for coping, express feelings, ask and answer questions, give and get support.
The Ohio State University offers a list of a variety of resources including pet loss hotlines, online support groups and chat rooms, pet loss counselors and support groups, and other websites on the topic.
The Ohio State University also offers other support and resources for grieving pet owner.
The Pet Loss Support Page is a wealth of information and lists resources by US states, Canada, the UK, and Australia/New Zealand.
Journal article Kogan, Lori R., et al. "The Loss of a Service Dog Through Death or Retirement: Experiences and Impact on Partners." Illness, Crisis & Loss (2021): 10541373211054168.
Laps of Love (pet hospice) offers several publications that can be downloaded and printed out: https://www.lapoflove.com/pet-loss-support-resources/children-and-pet-grief-resources
Grief resources from AutismSpeaks: https://www.autismspeaks.org/grief-and-bereavement-resourcesBooks about pet loss for kids: https://farewellpet.com/best-childrens-books-for-loss-of-pet
The Pet Poison Helpline webinar "The Caring Veterinary Medical Professional: Understanding the Grief Process"
Vet Vine offers a variety of resources such as books and websites to help adults, youths, and children. They also offer a list of online support groups.