Kyle Roberts is executive director of the Congregational Library in Boston and the author of Evangelical Gotham: Religion and the Making of New York City, 1783-1860.

The New York Times has gathered basic information and an archive of its stories regarding atheism on a “Times Topics” page.

Freethoughtpedia is an online repository of information and commentary about the freethought movement. As with any open-source site, reporters should confirm anything found there before using it in stories.

Beliefnet’s page on secular philosophies includes a number of forums and features for nonbelievers.

BBC’s atheism page gives an overview of the movement and information on its history, rites and rituals.

Kenneth Kaitin is director of the Tufts Center for the Study of Drug Development in Boston.

Scott Ballenger is founder of the Trial Acceleration Institute in Spring House, Pa., which assists stakeholders in speeding up clinical trials.

The Secular Seasons website provides information about secular holidays and secular/humanist ceremonies. Upcoming observances include Freethought Month (October) and Freethought Day (Oct. 12). The site also offers examples of secular invocations and graces.

The National Day of Reason is held each May as a counterpoint to the National Day of Prayer.