1. CCDC. (2004). Downtown San Diego African-American Heritage Study. Centre City Development Corporation. https://www.sandiego.gov/sites/default/files/ccdc_african-american_heritage_study.pdf. Accessed: 22. April 2020.
2. CofSD, P. D. (2015). Southeastern San Diego Community Plan October 2015. City of San Diego Planning Department. https://www.sandiego.gov/sites/default/files/legacy/planning/community/cpu/southeastern/pdf/sesd_community_plan_reduced.pdf. Accessed: 5. November 2019.
3. CofSD, P. D. (2016). North Park Community Plan. City of San Diego Planning Department. https://www.sandiego.gov/sites/default/files/amended_2016_north_park_community_plan_web.pdf. Accessed: January 11, 2022.
4. Crossey, N. & Weber, F. (2020). Zur Konstitution multipler Borderlands im Zuge der Frankreichstrategie des Saarlandes. In F. Weber, C. Wille, B. Caesar & J. Hollstegge (Eds.), Geographien der Grenzen. Räume – Grenzen – Hybriditäten (145–166). Springer VS.
5. Dedina, S. (1995). The political ecology of transboundary development: Land use, flood control and politics in the Tijuana river valley. Journal of Borderlands Studies, 10(1), 89–110.