Ryan, R. (1824). An essay upon the following subject of inquiry: What are the best means of rendering the national sources of wealth possessed by Ireland effectual for the employment of the population? proposed by the Royal Irish Academy, 1822. Hatchard and Son.

Ryan, R. An Essay upon the Following Subject of Inquiry: What Are the Best Means of Rendering the National Sources of Wealth Possessed by Ireland Effectual for the Employment of the Population? Proposed by the Royal Irish Academy, 1822. Hatchard and Son, 1824.