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)

43. Lajos Lóczy Senior with his son and his students at the Etna. Lóczy Junior stands on the right side in the picture, in a hooded coat. March 1907. Stereo recording. silver-gelatine, stuck onto cardboard Cardboard: 32.7x23-,9 cm picmre: 7x15.2 cm Pressmark: It.281. original negative: Caption: " Etna. Casa Cantoniera. Lajos Lóczy (in the front) and his students." MNM ELTE deposit: L 97/28 The still grammar-school student Lajos Lóczy Junior belonged to those few, who reached the crater together with Cholnoky. 44. University students from Budapest on the slope of the Monte Somma covered with ash, on 2 April 1907. Stereo recording. silver-gelatine, stuck onto cardboard Cardboard: 327x239 cm picture: 85x167 cm Pressmark: It.262. original negative: It.69Caption: " Vesuvio. Masses of ash on the outer slope of the Somma from the direction of Otajano. There are students from Budapest on the road." MNM ELTE deposit: L 97/28 The evidence of the Vesuvius' violent eruption in 1906 could still be clearly seen when Cholnoky and his company arrived there. The former crater rim, the Monte Somma surrounded in a semicircle the new and huge Cono Cinere. At the extremely unstable and easily collapsing crater rim the experienced director of the Vesuvius observatory guided the company. 45. The Lake of Averno with his Diana church on Campi Flegrei, in April 1907. Stereo recording. O