Assertion: cathedral's organ | /r/HasProperty | built by e.f. walcker
Facets:
value: in 1882–83
type: TEMPORAL
Source sentences:
text: The organ of the Riga Cathedral was built by E.F. Walcker & Sons of Ludwigsburg, Baden-Württemberg, Germany, in 1882–83, and was inaugurated on 31 January 1884.