[1] From 1954 to 1958 Döring was a member of the state parliament in North Rhine-Westphalia.

From 15 October 1957, until his death, Döring was a member of the German Bundestag.

He was elected via the state list in North Rhine-Westphalia and had been deputy chairman of the FDP parliamentary faction since 1961.

Biographisches Handbuch der Mitglieder des Deutschen Bundestages.

This biography article about a member of the German Free Democratic Party (FDP) is a stub.