Analysis of information sources in references of the Wikipedia article "Filibuster in the United States Senate" in English language version.
In short, the Senate's deletion of the previous question motion from its rules did not give rise to filibusters because the 1806 motion was neither used to end debate nor bring the Senate to a vote on the pending matter.
{{cite web}}: CS1 maint: multiple names: authors list (link)In short, the Senate's deletion of the previous question motion from its rules did not give rise to filibusters because the 1806 motion was neither used to end debate nor bring the Senate to a vote on the pending matter.