U.S. Department of State, Bureau of Consular Affairs. “Administrative processing,” www.travel.state.gov/content/travel/en/us-visas/visa-information-resources/administrative-processing-information.html.
L.F. Cissna. Letter to Senator Thom Tillis. 13 May 2019. https://www.uscis.gov/sites/default/files/files/nativedocuments/Processing_Delays_-_Senator_Tillis.pdf.
Michigan Association of State Universities. Letter to the Michigan Congressional Delegation. 24 June 2019. https://www.masu.org/sites/default/files/documents/2020-01/mi-higher-ed-immigration-letter-6-24-2019.pdf.