Read a March 22, 2013, NPR story about another activist and how her background as a single mother led her to become involved in the issue.

Read a March 22, 2013, New York Times story about the man described as the nation’s leading opponent of same-sex marriage.

Read the transcript of a March 23, 2013, NPR interview in which Focus on the Family’s president, Jim Daly, discusses his concerns about religious liberty aspects of the debate.

Wikipedia keeps its page on same-sex marriage updated with background, links, state-by-state information and charts. Wikipedia also has a page about Christian churches around the world that have approved same-sex marriages. As with any open-source website, information on Wikipedia should be confirmed before it’s used.

The Williams Institute focuses on sexual-orientation law and public policy, and its website has a number of resources on same-sex marriage. Scholars from the think tank, which is based at California’s UCLA law school, participated in friend-of-the-court briefs in both March 2013 cases before they went the Supreme Court.

May 30, 2013, American Thinker article analyzing survey results that show declining support for Israel among Democrats and the strongest support for Israel in America coming from evangelical Christian Republicans.

Rutgers’ law library posts a bibliography of legal literature on the topic.

The National Marriage Project at the University of Virginia conducts research and analysis on marriage issues. Brad Wilcox is director.

NPR has posted a timeline of significant developments in the debate from 1972 through 2012.