TY - DATA AU - Kandel,William ED - Library of Congress. TI - A primer on U.S. immigration policy T2 - Report / Congressional Research Service PY - 2018///- CY - [Washington, D.C.] PB - Congressional Research Service KW - United States KW - Immigration and Nationality Act KW - History KW - Emigration and immigration law KW - Emigration and immigration KW - Government policy N1 - The CRS report home page provides access to all versions published since 2018; CRDP Program record; Report includes bibliographical references UR - https://purl.fdlp.gov/GPO/gpo110123 ER -