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Thorill Hartmann: (1924-1986): Riesengebirgsbilder
Riesengebirgsmuseum, 2004
BASE - Bielefeld Academic Search Engine , Saxon State Library - State and University Library Dresden (SLUB): Qucosa
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Fritz Hartmann: (1873 - 1929): Ein Maler des Riesengebirges
Riesengebirgsmuseum; Krkonošské muzeum, 2015-06-03
BASE - Bielefeld Academic Search Engine , Saxon State Library - State and University Library Dresden (SLUB): Qucosa