1. A Statement Concerning the Sugar Industry in Hawaii; Labor Conditions on Hawaiian Sugar Plantations, Filipino Laborers Thereon, and the Alleged Filipino “Strike” of 1924;Bottomley,1924
2. Investigation of Labor Conditions and Employment of Filipinos in Hawaii, Manila;Bureau of Labor,1926
3. Committee on Agriculture, Forestry, Promotion and Immigration, (1911) Report of Committee on Agriculture, Forestry, Promotion and Immigration of the House of Representatives, Legislature of the Territory of Hawaii, Session of 1911 in Response to a Resolution Requiring Inquiry into the Question of Filipino Immigration.
4. Duckworth-Ford, R.A. (1926) Report on Hawaiian Sugar Plantations and Filipino Labor to the Governor General of the Philippine Islands, Honolulu, Hawaii, November 4.
5. HMC (1920) HSPA file number 279, LSC 22C/1 HMC C.HSPA Filipinos 1921-1926.