https://trace.tennessee.edu/entities/publication/51ff10af-f66e-4f89-aee1-8ad4550fcc85
Smoke Abatement in the City of Knoxville
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https://www.parliament.nsw.gov.au/bills/Pages/bill-details.aspx?pk=8961
Smoke Nuisance Abatement (Amendment) Bill 1906
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