America Was Eager for Chinese Immigrants. What Happened? | The New Yorker
https://www.newyorker.com/magazine/2021/08/30/america-was-eager-for-chinese-immigrants-what-happened
California Gold Rush - Wikipedia
https://en.wikipedia.org/wiki/California_Gold_Rush
How a Chinese-American Novelist Wrote Herself Into the Wild West - The New York Times
https://www.nytimes.com/2020/04/04/books/c-pam-zhang-how-much-of-these-hills-is-gold.html