Van der Ryn, Sim.

The toilet papers : designs to recycle human waste and water: dry toilets, greywater systems, & urban sewage / Sim Van der Ryn. - Santa Barbara, [U.S.A.] : Capra Press, c1978. - 124 p. : ill.

"Foreword by Wendell Berry"


Toilet paper.
Sewage irrigation.
Sewage disposal.