THE ACLU OF PENNSYLVANIA has been an outspoken advocate of immigrant rights, documented and undocumented. In summer 2006, it sued Hazleton, Pa., to fight the town's crackdown on undocumented people and the landlords and firms that do business with them. The national ACLU's Immigrants Rights Project and the other complainants said the ordinance violates the U.S. Constitution's Supremacy Clause because it seeks to override federal law and the exclusive federal power over immigration.

U.S. ATTORNEY'S OFFICE, EASTERN DISTRICT OF PENNSYLVANIA has a Violent Crimes, Terrorism and Immigrations Section.

EL HISPANO, a bilingual weekly, covers matters of interest to the Hispanic community. Its reporters and editors are experienced observers and analysts of issues including immigration reform.

PROJECT VOICE was created by the American Friends Service Committee to strengthen the voices of immigrant-led organizations in setting the national agenda for immigration policy and immigrants' rights. Project Voice combines local and national organizing, education, and outreach campaigns to achieve a strategic impact on key immigration and refugee issues, including legalization, abuse of authority, community relations, workers' rights, and other human rights issues.

RUTGERS-CAMDEN, VILLANOVA AND TEMPLE LAW SCHOOLS have faculty specialists in immigration law. A Rutgers-Camden professor has written "The Immigration Consequences of Selected New Jersey Criminal Offenses," a thirty-page chart distributed by the Office of the New Jersey Public Defender and the DIP member organizations. A Villanova professor directs the Clinic for Asylum, Refugee and Emigrant Services; her article, Justice Delayed is Justice Denied: A Proposal for Ending the Unnecessary Detention of Asylum Seekers, was published in the Harvard Human Rights Journal.

LET FREEDOM RING is a non-profit, grassroots public-policy organization supporting the Conservative agenda. Its website says it operates "at the intersection of faith and politics." The group was founded by a conservative Chesco politician, Colin Hanna - who also has created a controversial website WeNeedAFence.com, about immigration reform.

THE PHILADELPHIA INQUIRER, the region's major daily newspaper, has a reporter specializing in immigrations issues, who could speak about the disputes over undocumented immigrants, legal reforms, and her own experiences as the first reporter to write about the infamous "Speak English" sign at Pat's Steaks in South Philadelphia.

THE BALCH INSTITUTE FOR ETHNIC STUDIES, part of the Historical Society of Pennsylvania, is a library and museum devoted to the history of immigration and ethnic life in America. The Institute offers research, programs and public events.

GREATER PHILADELPHIA OVERSEAS CHINESE ASSOCIATION is a refugee assistance organization helping ethnic Chinese make the transition to a new culture with educational, casework and support services. A variety of programs, including citizenship test preparation, classes teaching school age children traditional Chinese cultural dances and heritage, job placement services, ESL for adults, social services, youth bilingual programs and more.

THE NATIONALITIES SERVICE CENTER seeks to "eliminate the barriers caused by language and cultural difference and promote the assets that these differences provide for the community." Among other things, the center provides legal services to immigrants and refugees.