المؤلفون: Karl Romstorfer (1854-1916), Karl Romstorfer (1854-1916)
الوصول الحر: https://www.europeana.eu/item/951/Culturalia_9b5f009a_ab2e_4044_9a6d_9cf1ac56c9d6?utm_source=api&utm_medium=api&utm_campaign=YuvuWBeCaTest
المؤلفون: Școala contemporană românească, http://vocab.getty.edu/aat/300266106Test, Karola, Fritz
الوصول الحر: https://www.europeana.eu/item/951/Culturalia_09898f6b_48c3_42fd_b6d6_92bc4d40c23b?utm_source=api&utm_medium=api&utm_campaign=YuvuWBeCaTest