A Hidden Phase of American History: Ireland's Part in America's Struggle for Liberty. By Michael J. O'Brien, Historiographer, American Irish Historical Society. (New York: Dodd, Mead, and Company. 1920. Pp. xv, 533. $5.00)

1921 American Historical Review  
doi:10.1086/ahr/26.4.797 fatcat:xdaomsvm6fcfdgctniz3idemt4