Derringer
Derringer is a single shot pistol or weapon family.
Overview
Small pistol.
In detail
Derringer is a single shot pistol or weapon family.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Derringer”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q477207: Derringer
Consult the source