German article in Die Gartenlaube, 1881, no. 8

German article in Die Gartenlaube, 1881, no. 30

poem by Hermann Ling in: Die Gartenlaube, 1885, no. 28

German article in Die Gartenlaube, 1884, no. 2

German article in Die Gartenlaube, 1869, no. 7

German article in Die Gartenlaube, 1889, no. 4

Czech book edition from 1917 year

German article in Die Gartenlaube, 1886, no. 16

German article in Die Gartenlaube, 1883, no. 11

German article in Die Gartenlaube, 1882, no. 41

German article in Die Gartenlaube, 1890, no. 1

German article in Die Gartenlaube, 1881, no. 23, 24

German article in Die Gartenlaube, 1883, no. 12

German article in Die Gartenlaube, 1885, no. 14

German article in Die Gartenlaube, 1886, no. 1