Of the twenty volumes and portfolios that make up The North American Indian, three focus on California and The Great Basin: Vol. XIII, 1924. Hupa, Yurok, Karok, Wiyot, Tolowa, Tutuni, Shasta, Achomawi, and Klamath. Vol. XIV, 1924. Kato, Wailaki, Yuki, Pomo, Wintun, Maidu, Miwok, Wappo, and Yokuts. Vol. XV, 1926. Shoshone, Palm Canon, Mission Cupeno, Serrano, Chemehuevi, Cahuilla, Diegueno, Mono, Paviotso, and Washo.