Secondary sources are a great place to start to get background information about a new subject. This page provides an overview of available secondary sources on immigration law and their scope and contents. For more specific suggestions about where to locate background information on particular topics applicable to helping trafficking victims obtain waivers for visas please see the tabs discussing particular grounds of inadmissibility.
Steel on Immigration Law is a good treatise available on WestlawNext. It is a little more clear and concise than Am. Jur.
Immigration Law Service 2d is another good treatise available on WestLawNext.
Some of the following articles may be helpful for seeking a waiver or exception for grounds of inadmissibility.
75 A.L.R. Fed. 2d 467, Validity, Construction, and Application of Section 112 of Trafficking Victims Protection Act of 2000 and Subsequent Reauthorizing Provisions amending Chapter 77 of Title 18 United States Code.
72 A.L.R. Fed. 133 (Originally published in 1985) "What constitutes "extreme hardship" or "exceptional and extremely unusual hardship," under § 244(a) of Immigration and Nationality Act (8 U.S.C.A. § 1254(a)), allowing Attorney General to suspend deportation of alien and allow admission for permanent residence," American Law Reports.
George, The Strong Arm of the Law is Weak: How the Trafficking Victims Protection Act Fails to Assist Effectively Victims of the Sex Trade, 45 Creighton L. Rev. 563 (2012).
Kim, The Trafficked Worker as Private Attorney General: A Model for Enforcing the Civil Rights of Undocumented Workers, 1 I. Chi. Legal F. 247 (2009).
Sangalis, Elusive Empowerment: Compensating the Sex Trafficked Person Under the Trafficking Victims Protection Act, 80 Fordham L. Rev. 403 (2011).
3B Am. Jur. 2d, available in print and on-line on Westlaw, is a wonderful reference and a great place to start for background information because it cites other law such as relevant statutes, regulations, and important cases. The main title applicable to immigration law is "Aliens and Citizens," covering the following topics:
3A Am. Jur. 2d Aliens and Citizens § 921, 922, 923 provide background information on T-visas, U-visas, and S-visas in general.
Corpus Juris Secundum 2d covers similar topics to Am. Jur. including: