"Schwarzbart, Isaac I." . _:B6da90c36c56fe4da50f1205b891546f5 . "Isaac I. Schwarzbart" . . "Isaac I." . . . "Ips"@nl . "Schwarzbart, Isaac" . . "Schwarzbart" . _:B6da90c36c56fe4da50f1205b891546f5 . _:B6da90c36c56fe4da50f1205b891546f5 . _:B6da90c36c56fe4da50f1205b891546f5 "2023-05-22"^^ . _:B6da90c36c56fe4da50f1205b891546f5 . _:B6da90c36c56fe4da50f1205b891546f5 . _:B6da90c36c56fe4da50f1205b891546f5 "181018888" . _:B6da90c36c56fe4da50f1205b891546f5 . _:B6da90c36c56fe4da50f1205b891546f5 . _:B6da90c36c56fe4da50f1205b891546f5 .