Disambiguation evidence for Airco DH.9 via surface form
"de Havilland DH.9"
Triples (2)
Triples where some other subject referred to this entity
as "de Havilland DH.9".
Disambiguation evidence for Airco DH.9 via surface form
Triples where some other subject referred to this entity
as "de Havilland DH.9".