The need of social statistics as an aid to the courts,
by Walter F. Willcox.
Willcox, W. Francis. (1913). The need of social statistics as an aid to the courts. [Boston.
Willcox, Walter Francis, 1861-1964. The Need of Social Statistics As an Aid to the Courts. [Boston, 1913.
Warning: These citations may not always be complete (especially for serials).