The print carries the sample catalog number そ印 參百八拾參號 (so in sanbyaku hachi jū san gō ). These numbered fan prints (uchiwa-e 団扇絵) were gathered into a sample book (uchiwa mihonchō 団扇見本帳, or uchiwa gachō 団扇画帖.) to show wholesale customers the range of available designs.
 The Second Sino-Japanese War is referred to in China as the "War of Resistance Against Japan."
 "War Finance (Japan)" by Sakamoto Yuichiro, appearing in 1914-1918-online, International Encyclopedia of the First World War, ed. Ute Daniel, et. al., Freie Universität Berlin, Berlin, 2014-10-08. DOI: 10.15463/ie1418.10160 [accessed 9-16-23]
 MeijiShowa website https://www.meijishowa.com/art-prints/5814/160310-0048-pacific-war-bond [accessed 9-16-23] David C. Earhart writes that "T]he average family, which was depositing 11.6 percent of its annual earnings into savings in 1936, was saving 21.5 percent of its earnings in 1944, while the cost of living rose more than 20 percent each year between 1939 and 1945." Source: Certain Victory, Images of World War II in the Japanese Media, David C. Earhart, M.E. Sharpe, 2008, p. 122.
 WWII expenditures by the US government are generally placed at around 300 billion dollars. Figures vary on the revenue generated from sales of war bonds, with 150 million to 185 million commonly cited.