A page with many links relating to Boston Marriage, the 19th-century practice of women friends living together long-term.

Short encyclopedia article about friendship.

A reprint of a 1908 treatise on historical friendship customs.

An article focusing on the Boston Marriage (19th-century practice of committed friendship) between Sarah Jewett and Annie Fields.

Scottish article about friendship and adoslescents.

An essay discussing the debate over whether same-sex relationships in historical documents were gay relationships or nonsexual friendships, and arguing that historians often label relationships "gay" when the label is not warranted.

This site explores the history of "Romantic Friendship" (the 15th-through-19th-century practice of intense yet nonsexual same-sex love) and the possibility that television characters Xena and Gabrielle are practicing this custom.