Table for the 4 triples with object "1820-03-08" sorted by label

Subject	Predicate
mdb:persoonscontract-veen_veen-1820-40-61687-unknown	mdb:datum
mdb:schipper: Legger, Roelf Roelfs	mdb:datum
mdb:stuurman: Wagenaar, Hindrik Alberts	mdb:datum
mdb:Zeelust (1820-03-08)	mdb:datum