Here is a method of tanning leather that is low cost and low labor compared to other methods of tanning.
How to tan salmon skins with tannins from tree bark. You really have to feel how luxuriously soft and leathery it is to believe it.
stitchless leather case technique italy - Google Search
chemical hair-on tanning recipe for 3-4 rabbits or squirrels, or 1 coyote or beaver
Fur tanning without chemicals, pt. 2 The bushcraft or Woodsmans method.
Tanning Hides | A Homesteading Guide by Pioneer Settler at http://pioneersettler.com/tanning-hides/
How to make a coon skin hat - http://www.survivalacademy.co/
The leather tanneries of Fez, Morocco are located in the old town nearby the Karaouine Mosque. Photo: flickr.com/photos/bentaher
Tanning a deer hide without chemicals
Tan Your Hide