Acquired directly from the artist by the present owner, 1990s
Felice Fischer, Kathleen A. Foster, and Darrel Sewell, The Poetry of Clay: The Art of Toshiko Takaezu, Philadelphia, 2005, p. 13 for a similar example
J. Stanley Yake, Toshiko Takaezu: The Earth in Bloom, New York, 2005, p. 133 for a similar example