United States Office of Immigration Statistics, text statistics dcu 2004 9999 continuing eng 1 online resource (volumes) CRDP Program record. n-us--- Aliens United States Statistics Periodicals Alien criminals United States Statistics Periodicals Immigrants United States Statistics Periodicals United States Emigration and immigration Statistics Periodicals HS 1.15/6: HS 1.15/6: 2018230974 https://purl.fdlp.gov/GPO/gpo94101 https://purl.fdlp.gov/GPO/gpo94101 PUCPR 180626 20180731151750.0 on1041933646 eng