"Zeekaarten"@nl . . . "Navigational charts"@en . "Portolanen"@nl . . "Nautical maps"@en . "Portulanen"@nl . "Portolan charts"@en . "-PV"@nl . "."@nl . . _:B4c2335a31f9357c33791a6d06cc70afb . _:B4c2335a31f9357c33791a6d06cc70afb . _:B4c2335a31f9357c33791a6d06cc70afb "2021-09-24"^^ . _:B4c2335a31f9357c33791a6d06cc70afb . _:B4c2335a31f9357c33791a6d06cc70afb . _:B4c2335a31f9357c33791a6d06cc70afb "078965381" . _:B4c2335a31f9357c33791a6d06cc70afb . _:B4c2335a31f9357c33791a6d06cc70afb . _:B4c2335a31f9357c33791a6d06cc70afb .