"The 1927 American-Japanese Friendship Doll Exchange and the Dream of International Peace"
https://www.sdhspress.com/journal/south-dakota-history-36-1/the-1927-american-japanese-friendship-doll-exchange-and-the-dream-of-international-peace
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"The 1927 American-Japanese Friendship Doll Exchange and the Dream of International Peace"
by Katherine C. Hartley and David B. Hartley