User blog comment:Batorhos/Server: Miners Union/@comment-4479720-20120516123941/@comment-3152785-20120608113638

Yes, Iron Golem farms can be achieved. If you have 16+ villagers, an infinite water source, a few blocks of water, and 22 doors, it's pretty simple to make. They spawn pretty slowly, but after a night of AFK you can get probablz a few stacks of iron just by sleeping, which you do anyways.