FarmVille: Want your Lamb to have a certain pattern? You can, for Farm Cash
FarmVille Upgraded Sheep Breeding Goals: Everything you need to know
FarmVille Bug Report: Giant Sheep Pen and Pig Pen will take over your farm
FarmVille LE English Countryside Animals: Dales Pony, Campbell Duck, & Purple Stripes Ram
FarmVille Official Podcast (04/08/2011): More quests coming to English Countryside; changes coming to Pig Pen
FarmVille English Countryside: Sheep Breeding Guide
FarmVille English Countryside: Build and expand the Sheep Pen
FarmVille English Countryside first look!
FarmVille Sneak Peek: Sheep Pen coming soon?