Studies in Old Korean Poetry. Rome: Istituto Italiano per il Medio ed Estremo Oriente, 1959.
Anthology of Korean Poetry: From the Earliest Era to the Present. New York: John Day, 1964. Revised edition as Poems from Korea: A Historical Anthology. Honolulu: University Press of Hawaii, 1974.
Korean Literature: Topics and Themes. Tucson: University of Arizona Press, 1965.
Lives of Eminent Korean Monks. Cambridge: Harvard University Press, 1969.
Flowers of Fire: Twentieth-Century Korean Stories. Honlulu: University Press of Hawaii, 1974. Revised edition, 1986.
Songs of Flying Dragons: A Critical Reading. Cambridge: Harvard University Press, 1975. Korean translation, Seoul: T'aehaksa, 1998.
Celebration of Continuity: Themes in Classic East Asian Poetry. Cambridge: Harvard University Press, 1979.
The Silence of Love: Twentieth-Century Korean Poetry. Honlulu: University Press of Hawaii, 1980.
Anthology of Korean Literature: From Early Times to the Nineteenth Century. Honolulu: University Press of Hawaii, 1981. Revised edition, 1990.
A Korean Storyteller's Miscellany: The P'aegwan chapki of O Sukkwon. Princeton: Princeton University Press, 1989.
Modern Korean Literature: An Anthology. Honolulu: University of Hawaii Press, 1990.
Pine River and Lone Peak: An Anthology of Three Choson Dynasty Poets. Honlulu: University of Hawaii Press, 1991.
Sourcebook of Korean Civilization. 2 vols. New York: Columbia University Press, 1993-96. Italian translation, Fonti per lo Studio della Civilta' coreana, 2 vols. Milano: O barra O, 2000-2001.
Sources of Korean Tradition. 2 vols. New York: Columbia University Press, 1997-2001.
The Record of the Black Dragon Year. Seoul: Institute of Korean Studies and Honolulu: Center for Korean Studies, 2000.
Myths of Korea. Somerset and Seoul: Jimoondang International, 2000.
Echoing Song: Contemporary Korean Women Poets. Buffalo: White Pine Press, 2005.
Oral Literature of Korea. Edison/Seoul: Jimoondang, 2005.
Articles and translations in: Dictionary of Ming Biography; Dictionary of Oriental Literatures; Elek Book of Oriental Verse; Encyclopedia Britannica; Encyclopedia of Asian History; Encyclopedia of World Literature in the 20th Century; Hudson Review; Journal of the American Oriental Society; McGraw-Hill Encyclopedia of World Biography; Monumenta Serica; Oriens Extremus; Penguin Book of Modern Verse Translation; Poetry (Chicago); Princeton Encyclopedia of Poetry and Poetics; and T'oung Pao.
Reviews in: Asian Perspectives; Comparative Literature; Harvard Journal of Asiatic Studies; Journal of Asian Studies; Journal of the American Oriental Society; Korea Journal; Korean Studies; Oriens Extremus; and World Literature Today.