↑ a et bDe Witt, « The Watsonville Anti-Filipino Riot of 1930: A Case Study of the Great Depression and Ethnic Conflict in California », Southern California Quarterly, vol. 611, no 3, fall 1979, p. 291–302 (DOI10.2307/41170831, JSTOR41170831, lire en ligne, consulté le )
↑Evangelista, « California's Third Oriental Wave: A Sociohistorical Analysis », Philippine Studies, vol. 31, no 1, first quarter 1983, p. 37–57 (JSTOR42632649, lire en ligne, consulté le )
↑Showalter, « The Watsonville Anti-Filipino Riot of 1930: A Reconsideration of Fermin Tobera's Murder », Southern California Quarterly, vol. 71, no 41, , p. 341–348 (DOI10.2307/41171455, JSTOR41171455, lire en ligne, consulté le )