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https://www.gpo.gov/fdsys/pkg/USCODE-2011-title28/pdf/USCODE-2011-title28-partIV-chap85-sec1331.pdf
Federal Subject Matter Jurisdiction outline:
https://jenner.com/system/assets/assets/5507/original/Federal_20Subject_20Matter_20Jurisdiction_20Outline_Jenner_20_26_20Block_0611.pdf?1323113751