"S.R." . . . "Christophers, S.R. (1873-)" . . _:Baa2c07e253c3ad0e6d6aff9153840175 . "1873"^^ . "Christophers" . . "Christophers, Samuel Rickard" . "S.R. Christophers" . _:Baa2c07e253c3ad0e6d6aff9153840175 . _:Baa2c07e253c3ad0e6d6aff9153840175 . _:Baa2c07e253c3ad0e6d6aff9153840175 "2023-05-21"^^ . _:Baa2c07e253c3ad0e6d6aff9153840175 . _:Baa2c07e253c3ad0e6d6aff9153840175 . _:Baa2c07e253c3ad0e6d6aff9153840175 "129783072" . _:Baa2c07e253c3ad0e6d6aff9153840175 . _:Baa2c07e253c3ad0e6d6aff9153840175 . _:Baa2c07e253c3ad0e6d6aff9153840175 .