"HARTOG" . . "HARTOG, L. de, Professor in Amsterdam" . "Lavi ˜deœ" . "Levi ˜deœ Hartog"@de-DE . "de" . . . "L." . "Levi" . . "1835" . "Levi de HARTOG" . "1918" . "Hartog, L. de (Levi)" . "Levi de Hartog"@fr-FR . "L. de Hartog"@en . "Professor in Amsterdam L. de HARTOG" . "Hartog" . "Lavi ˜deœ Hartog" . . . . . .