> “…I have no idea how I managed to survive and stay alive. In 1933 we tried to survive the best we could. We collected grass, goose-foot, burdocks, rotten potatoes and made pancakes, soups from putrid beans or nettles.
> Collected clay from the trees and ate it, ate sparrows, pigeons, cats, dead and live dogs."
It goes further into mentions of infanticide canabilism which I won't quote directly here but is worth reading.
Birch inner bark flour seems to be "common" as far as obscure flour goes. Apparently it wasn't even a famine food as such, and just a normal part of their diet. [2]
[1] https://www.askaprepper.com/ingenious-foods-people-made-fami...