Analysis of information sources in references of the Wikipedia article "Plough" in English language version.
{{cite web}}
: CS1 maint: archived copy as title (link)Patent litigation [TR FOW/CO5/116-137] is mainly concerned with a Chancery case of 1863 between John Fowler and his patent assignees in trust against James and Frederick Howard of Bedford for alleged infringement of his patents by the manufacture of balance ploughs.
{{cite web}}
: CS1 maint: archived copy as title (link)