. . "1929"^^ . "Valkenburg" . "Valkenburg, Bertha (1862-1929)" . . "Bertha Valkenburg" . "Bertha" . _:B2693cff49e8d54523d5a00376e0e8ad6 . "1862"^^ . _:B2693cff49e8d54523d5a00376e0e8ad6 . _:B2693cff49e8d54523d5a00376e0e8ad6 . _:B2693cff49e8d54523d5a00376e0e8ad6 "2023-05-21"^^ . _:B2693cff49e8d54523d5a00376e0e8ad6 . _:B2693cff49e8d54523d5a00376e0e8ad6 . _:B2693cff49e8d54523d5a00376e0e8ad6 "391104004" . _:B2693cff49e8d54523d5a00376e0e8ad6 . _:B2693cff49e8d54523d5a00376e0e8ad6 . _:B2693cff49e8d54523d5a00376e0e8ad6 .