1. Banjin to kyôryoku shi kina no dai zôrin Hoshi shi ga kankeiryokusha wo shôtai: kina zadankai wo hiraku 蕃人と協力しキナの大造林星氏が関係力者を招待; キナ座談会を開く (Cooperating with Aboriginals to Build Large Plantations, Hoshi Invites Well-Connected Interests; Holds a Roundtable on Cinchona) 1934. Taiwan nichi nichi shimbun 台湾日日新聞 (Taiwan Daily Newspaper), 3 May, Evening Edition.
2. Introduction
3. Boyden, Eddie (1922). Woolworth of Japan Began Career as Penniless House Servant in San Francisco. San Francisco Chronicle, 15 September.