Table for the 4 triples with object "1872-81" sorted by label

Subject	Predicate
mdb:kapitein: Kremer, Johannes (uit Appingedam (NL))	mdb:bronid
mdb:kok: Gruppelaar, Jacob (uit Veendam (NL))	mdb:bronid
mdb:Martha (1872-07-16)	mdb:bronid
mdb:matroos: Bos, Pieter (uit Delfzijl (NL))	mdb:bronid