A Boston-based group is donating 30 years’ worth of documents to Yale University that chart the legal campaign for gay rights in New England. Gay & Lesbian Advocates & Defenders has pursued gay civil rights throughout the region since the group was founded in 1978. Its precedent-setting legal victories include bringing marriage equality to Massachusetts in 2004 and Connecticut in 2008. The group said Monday the donated materials include correspondence, legal documents and photographs from events spanning the HIV epidemic to the legalization of gay marriage in some states.

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