The above illustration is from "The Home and School Reference Work", Volume III by The Home and School Education Society, H. M. Dixon, President and Managing Editor. The book was published in 1917 by The Home and School Education Society. This copyright free image is between pages 1076 and 1077.
Cold weather chickens 1.Let them out 2.Don't tightly insulate the coop 3. Don't heat the coop 4. Gather eggs more frequently so that they don't freeze 5.Don't let the water freeze 6. Clean the coop so it stays dry and healthy while they are cooped up 7. To banish boredom give them hanging treats or scratch treats 8. A little bit of Vaseline on combs to prevent frostbite
Is this your first year keeping chickens? Don't be shocked when they start to molt. Here's some insider wisdom on the molting process: http://blog.hgtvgardens.com/backyard-chickens-its-raining-feathers-when-the-chickens-molt/
13 Common Chicken Diseases Every Chicken Keeper Should Know About (and How to Treat Them)