Dominion: An Undercover Expose of Australia's Meat, Dairy, and Egg Industries
Earthlings
The Price of Milk (non-graphic)
Undercover at Smithfield (lower-graphic)
Eating Animals by Jonathan Safran Foer
Animal Liberation by Peter Singer
Why We Love Dogs Eat Pigs and Wear Cows by Melanie Joy
How to Create a Vegan World: a Pragmatic Approach
This is how many animals we eat each year
United Egg Producers: Guidelines for Cage Housing
Meat Plant Closures Mean Pigs Are Gassed or Shot Instead
Tillamook cheese comes mostly from cows kept in concrete and dirt feedlots, not green pastures, lawsuit says
Facts - Farm Animals
The Effect of Diet Choices
Also consider checking out the Animal Welfare Library.