Dr. Kubassek János: Cholnoky Jenő természetábrázoló művészete (Érd, 2002)

Judit Berta-Varga-Katalin Bognár Catalogue of the Photographs, from the department of Historical Photographs of The Hungarian National Museum (Budapest) (Exhibition in the Hungarian Geographical Museum, Érd, 22 January - 15 April 2002)

HC Caption: " The ruins of Ostia, 1913." MNM ELTE deposit: L 97/28 48. Ombla Spring near Ragusa, in June 1914. At the foot of the karst hill, we can see a storeyed building in the background, which is the mill on the river. silver-gelatine, stuck onto cardboard Cardboard: 328x24 cm picmre: 2 pieces, 118x168 cm each Pressmark: Dal.48. original negative: Caption: " Ombla Spring near Ragusa." MNM ELTE deposit: L 97/28 Published in: Cholnoky, Jenő: A Föld és élete (The Earth and its Life) I.Volume; Európa, Franklin Társulat, Budapest; p. 633. Cholnoky set off to Fiume on 21 June 1914 with his students and with some of the students of the pedagogical seminar in Budapest, and then from Fiume to Dalmatia. They were informed on their way about the assassination of the crown prince and his wife committed in Sarajevo. They interrupted their field trip and hastily returned to Budapest. 49. Parts of the Vinodol Graben with the Bukkari Bay in the background, in April 1914. silver-gelatine, stuck onto cardboard Cardboard: 32.9x23.9 cm picture: 2 pieces, 11.8x16.6 cm each Pressmark: Hrv.Fi.77. original negative: Caption: " The northern end of the Vinodol Graben from the direction of the transversal valley of Cirkvenica. There is the saddle of the Bukkara Bay in the background." MNM ELTE deposit: L 97/28 Cholnoky studied karst features in Croatia between 3 and 18 April 1914. This trip considerably contributed to his research on cave formations.