Naturalization

 “The streets weren’t paved with gold; they weren’t paved at all; and I was expected to pave them.”

https://wayback.archive-it.org/18689/20220311224128/https://www.nypl.org/blog/2016/07/01/us-immigration-history

Difficulty in finding naturalization information.

https://www.uscis.gov/about-us/our-history/history-office-and-library/featured-stories-from-the-uscis-history-office-and-library/history-of-the-certificate-of-naturalization-1906-1956