examining the effects of birth order on personality: https://www.pnas.org/doi/10.1073/pnas.1506451112

born to rebel - frank j sulloway: https://tr1lib.org/book/21914336/807158

Ocean Vuong in conversation with Spencer Quong: https://www.theparisreview.org/blog/2019/06/05/survival-as-a-creative-force-an-interview-with-ocean-vuong/