"One of the few insights into Tate's life in "Tsimshian Mythology" comes in a discussion of clan-to-clan adoption, citing Tate's adoption from the Laxsgiik (Eagle clan) into the Gispwudwada (Killerwhale clan) of the Gispaxlo'ots tribe by his maternal grandfather, and his subsequent adoption of his own daughter into the Gispwudwada as well.Boas and Tate's correspondence is housed at the American Philosophical Society in Philadelphia.