There are a number of classic books that promote an All-Meat Diet and which are now out of print. I have made them available here as free PDF downloads.

What Must I Do to Get Well? by Elma Stuart (1898) 

The Fat of the Land by Vilhjalmur Stefansson (1960)

Strong Medicine by Blake Donaldson (1961)

The Type A – Type B Weight Loss Book by H. L. Newbold (1991)