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Brockhaus-1911: Gerson [2] · Gerson
Eisler-1912: Levi ben Gerson
Herder-1854: Gerson
Meyers-1905: Levi ben Gerson · Gerson, Wojciech · Gerson, Jean Le Charlierde
Pagel-1901: Unna, Paul Gerson
Pierer-1857: Gerson [3] · Gerson [2] · Gerson [1]