The Maryland Healthcare Ethics Committee Network, established by the Law and Health Care Program at the University of Maryland School of Law, serves as a resource for ethics committees. Contact chairwoman Diane Hoffman.

The American Ghost Society is a national network of ghost hunters, authors, ghost enthusiasts and psychical researchers who conduct investigations into the paranormal. They maintain a list of members and ghost hunters by state.

Alexander Seinfeld is a rabbi and an expert on Judaism and the supernatural and has given talks on the subject of Judaism and ghosts, necromancy and astronomy. He is based in Baltimore.

Beth Knox runs Crossings, a nonprofit organization that assists families with home funerals. She lives in Silver Spring, Md.

Garrett Epps is a law professor at the University of Baltimore who specializes in constitutional law. He covers the Supreme Court for The Atlantic as a contributing writer and is the author of several books on the topic, including American Justice 2014: Nine Clashing Visions on the Supreme Court. 

John Graz is director of the Public Affairs and Religious Liberty Department of the Seventh-day Adventist Church. He is an expert in church-state issues, including workplace bias concerns, and he is based in Silver Spring, Md.

Rabbi Gerry Serotta is a former chair of Rabbis for Human Rights – North America and works as the executive director of Clergy Beyond Borders.

The Jewish Peace Lobby, based in Silver Spring, Md., is focused on influencing American foreign policy toward peace. Contact its president, Jerome Segal.

The Institute for Christian and Jewish Studies in Baltimore is an excellent resource for experts on Christian-Jewish relations.