HeinOnline’s Animal Studies: Law, Welfare and Rights database includes nearly 2,400 titles and more than 667,000 pages relating to the background and evolution of the basic rights of animals. From philosophical books dating back to the 1800s to relevant government documents and analytical videos, brochures, and scholarly articles, the database provides an overview of foundational animal-related legislation, while following the evolution of animal rights throughout the years. Title 9 and Title 50 of the Code of Federal Regulations and more than 100 titles from the Animal Legal Defense Fund and Animal Welfare Institute round out this essential resource for the study of animals in society.