ドナルド・キーン
The acknowledgments have three references to traditional Japanese and Tibetan poetic forms; (i) volume one of the "Anthology of Japanese Literature" (1955), edited by Donald Keene, from which is cited the "haiku" on page 48; (ii) from "Zen and Japanese Culture" (1955), by Daisetz Teitaro Suzuki, from which is cited a "waka" on page 135; and (iii) the "Tibetan Book of the Dead" (1960), edited by Walter Evans-Wentz.