www.alston.com/-/media/files/insights/publications/2010/11/avoiding-the-tia-not-impossible-but-close-istate-t/files/calhoun–stn-avoiding-tia/fileattachment/calhoun–stn-avoiding-tia.pdf
www.bakerlaw.com/podcasts/who-says-you-cant-get-into-federal-court-a-primer-on-the-tax-injunction-act#page=1