Pig Tales: An Omnivore's Quest for Sustainable Meat, by Barry Estabrook

New York Times bestselling author explores the dark side of the American pork industry, and sustainable alternatives including pastured pork.

Heritage Hog Carcass Yields: Gloucestershire Old Spots Hog

A fascinating description, with illustrations and pictures, of different ways to break down a carcass into common cuts.

Icelandic Sheep Breeders of North America

Website for ISBONA, filled with useful information for anybody interested in learning more about Icelandic sheep, from breed standards to lamb recipes.

Large Black Hog Association

Gloucestershire Old Spots of America (GOSA)

Gloucestershire Old Spots Pig Breeders United (GOSPBU)

The Livestock Conservancy

An organization formed "To protect America's endangered livestock and poultry breeds from extinction.” Learn more about which breeds are threatened, recovering, and what is being done to protect them.