Of the twenty volumes and portfolios that comprise The North American Indian, three of these focus on the Northwest Coast, and one, the final volume, features Alaska:

Northwest Coast:
Vol. IX, 1913. Quinault, Skokomish, Quilcene, Suquamish, Squaxon, Chimakum, Quilleute, Willipa, Cowichan, Snoqualmu, and Lummi.
Vol. X, 1915. Kwakiutl.
Vol. XI, 1916. Nootka, Haida and Makah.

Alaska:
Vol. XX, 1930. Nunivak, King Island, Hooper Bay, Noatak, Selewik, Kobuk, Little Diomede Island, Cape Prince of Wales, and Kotzebue.