Table for the 4 triples with object "1876-80" sorted by label

Subject	Predicate
mdb:Betje Pronk (1876-05-11)	mdb:bronid
mdb:kapitein: Vos, Johannes Pieters (uit Delfzijl (NL))	mdb:bronid
mdb:lichtmatroos: Pool, Nanne Jans (uit Farmsum (NL))	mdb:bronid
mdb:matroos: Blext, Berndt Julius (uit Neustedt (D))	mdb:bronid