Mākslas vēsture", 3 sējumi, edited by prof. V. Purvītis, V. Peņģerots, 1934, Grāmatu draugs, Riga, 431+604+540 pages, illustrations on separate pages
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ASV: Pirmā izstāde skulptūras, ko Donatello dell'Opera del Duomo Florencē | La Terrazza di Michelangelo
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Integration of Natural Science and Humanitarian Knowledge in Historical Materials Science | SpringerLink
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