By Ryan, John Augustine.
New York Macmillan 1920 .
182 p.

By Ryan, John Augustine.
Buenos Aires Ed. Poblet 1950

By Ryan, John Augustine.
New York Macmillan 1924 .
xvii, 305 p. 22 cm..

By Ryan, John Augustine.
New York Macmillan 1940 .
366 p. , "References" at end of some of the chapters. | Includes index. 22 cm..

By Ryan, John Augustine.
Madrid Saturnino Calleja Fernández .
274 p. , Translation of : A living wage, its ethical and economic aspects.