commissions of sewers
... that some English mediaeval commissions of sewers had powers to imprison labourers who refused to work on flood defences?
... that some English mediaeval <b id="mwA9E"><a href="./Commissions_of_sewers" id="mwA9I" rel="mw:WikiLink" title="Commissions of sewers">commissions of sewers</a></b> had powers to imprison labourers who refused to work on flood defences?