_:B9dfb639a4d503429c5c1e6824c5dbd3b . _:B9dfb639a4d503429c5c1e6824c5dbd3b . _:B9dfb639a4d503429c5c1e6824c5dbd3b "2023-05-20"^^ . _:B9dfb639a4d503429c5c1e6824c5dbd3b . _:B9dfb639a4d503429c5c1e6824c5dbd3b . _:B9dfb639a4d503429c5c1e6824c5dbd3b "068182783" . _:B9dfb639a4d503429c5c1e6824c5dbd3b . _:B9dfb639a4d503429c5c1e6824c5dbd3b . _:B9dfb639a4d503429c5c1e6824c5dbd3b . _:B9dfb639a4d503429c5c1e6824c5dbd3b . "Elmer E." . "1978"^^ . "Leppik, Elmer E. (1898-1978)" . . "Leppik, E.E." . . "Leppik" . . "Elmer E. Leppik" . . "1898"^^ .