. . "Source: Freebase - The World's database". _:mHGbWVrt1589. _:mHGbWVrt1588. _:mHGbWVrt1590. _:mHGbWVrt1591. _:mHGbWVrt1592. _:mHGbWVrt1593. . . . . . . . . . . . . . "1948". "David Levy"@pl. "David Levy"@no. "David H. Levy"@en. "David H. Levy"@fr. "David Levy (Astronom)"@de. "David Levy"@it. "David H. Levy"@es. "David H. Levy"@ca. "David Levy"@tr. . . . . . . . . . . _:mHGbWVrt1589 . _:mHGbWVrt1589 "David_H$002E_Levy". _:mHGbWVrt1588 . _:mHGbWVrt1588 "591099". . . . . . "2001". . . . . _:mHGbWVrt1590 . _:mHGbWVrt1590 "D$002E_H$002E_Levy". . . . _:mHGbWVrt1591 . _:mHGbWVrt1591 "David_Levy_$0028astronomer$0029". _:mHGbWVrt1592 . _:mHGbWVrt1592 "david_h_levy". _:mHGbWVrt1593 . _:mHGbWVrt1593 "064F4RQaRrdcj".