_:B785883cfbc25b522ac4b87f88262f23e . _:B785883cfbc25b522ac4b87f88262f23e . _:B785883cfbc25b522ac4b87f88262f23e "2023-05-22"^^ . _:B785883cfbc25b522ac4b87f88262f23e . _:B785883cfbc25b522ac4b87f88262f23e . _:B785883cfbc25b522ac4b87f88262f23e "069368503" . _:B785883cfbc25b522ac4b87f88262f23e . _:B785883cfbc25b522ac4b87f88262f23e . _:B785883cfbc25b522ac4b87f88262f23e . "J.H. Wakker" . . _:B785883cfbc25b522ac4b87f88262f23e . "Wakker, J.H. (1859-1927)" . . "1927"^^ . "Wakker" . . "J.H." . "Wakker, Jan Hendrik" . . "1859"^^ .