Singer and Berens jointly wrote "The Story of My Dictatorship" (1893), advocating tax reform, and "Some Unrecognized Laws of Nature" (1897).
Later Singer and Berens collaborated on "Some Unrecognized Laws of Nature" (1897). Singer and Berens jointly wrote "The Story of My Dictatorship" (1893), advocating tax reform.
Singer and Berens jointly wrote "The Story of My Dictatorship" (1893), advocating tax reform. Later Singer and Berens collaborated on "Some Unrecognized Laws of Nature" (1897).
Singer and Berens jointly wrote "The Story of My Dictatorship" (1893), advocating tax reform. Later Singer and Berens collaborated on "Some Unrecognized Laws of Nature" (1897).