Restriction of immigration : hearings before the Committee on Immigration and Naturalization, House of Representatives, Sixty-fourth Congress, first session, on H.R. 558, Thursday, January 20, and Friday, January 21, 1916 : statements of Miss Grace Abbott, Stephen Osusky, Clarence N. Goodwin, John Kulamar, James A. Gallivan, John F. Smulski, Louis E. Levy