Warbesse, J. P. (1927). Co-operative democracy - trough voluntary association of the people as consumers - A discussion of the co-operative movement, its philosophy, methods, accomplishments, and possibilitres, and its relation to the state, to science, art and commerce, and to other systems of economic organization (Second edition.). New York: The Macmillan Company.

Warbesse, James Peter. Co-operative Democracy - Trough Voluntary Association of the People As Consumers - A Discussion of the Co-operative Movement, Its Philosophy, Methods, Accomplishments, and Possibilitres, and Its Relation to the State, to Science, Art and Commerce, and to Other Systems of Economic Organization. Second edition. New York: The Macmillan Company, 1927.

Warbesse, James Peter. Co-operative Democracy - Trough Voluntary Association of the People As Consumers - A Discussion of the Co-operative Movement, Its Philosophy, Methods, Accomplishments, and Possibilitres, and Its Relation to the State, to Science, Art and Commerce, and to Other Systems of Economic Organization. Second edition. New York: The Macmillan Company, 1927.