German article in Die Gartenlaube, 1868, no. 31

German article in Die Gartenlaube, 1860, no. 9

German article in Die Gartenlaube, 1860, no. 28

German article in Die Gartenlaube, 1872, no. 42

German article in Die Gartenlaube, 1874, no. 12

German article in Die Gartenlaube, 1861, no. 19

essay by Guido Hammer

German article in Die Gartenlaube, 1865, no. 7

German article in Die Gartenlaube, 1858, no. 23

German article in Die Gartenlaube, 1858, no. 14

German article in Die Gartenlaube, 1871, no. 9

German article in Die Gartenlaube, 1858, no. 31

German article in Die Gartenlaube, 1858, no. 6

German article in Die Gartenlaube, 1859, no. 29

German article in Die Gartenlaube, 1866, no. 43

German article in Die Gartenlaube, 1872, no. 13

German article in Die Gartenlaube, 1857, no. 49

German article in Die Gartenlaube, 1874, no. 48

German article in Die Gartenlaube, 1872, no. 30

German article in Die Gartenlaube, 1876, no. 36

German article in Die Gartenlaube, 1869, no. 40

German article in Die Gartenlaube, 1867, no. 9

essay by Guido Hammer

essay by Guido Hammer

German article in Die Gartenlaube, 1862, no. 50

German article in Die Gartenlaube, 1866, no. 21

German article in Die Gartenlaube, 1861, no. 28

German article in Die Gartenlaube, 1868, no. 46

German article in Die Gartenlaube, 1858, no. 42

German article in Die Gartenlaube, 1870, no. 29

German article in Die Gartenlaube, 1866, no. 11

German article in Die Gartenlaube, 1868, no. 17

German article in Die Gartenlaube, 1865, no. 38

German article in Die Gartenlaube, 1869, no. 32

German article in Die Gartenlaube, 1860, no. 49

German article in Die Gartenlaube, 1879, no. 40

German article in Die Gartenlaube, 1880, no. 36

essay by Guido Hammer

German article in Die Gartenlaube, 1862, no. 13

German article in Die Gartenlaube, 1865, no. 52

German article in Die Gartenlaube, 1867, no. 47

German article in Die Gartenlaube, 1878, no. 44

German article in Die Gartenlaube, 1863, no. 21

German article in Die Gartenlaube, 1886, no. 38

essay by Guido Hammer

German article in: Die Gartenlaube, 1862

German article in Die Gartenlaube, 1878, no. 41

German article in Die Gartenlaube, 1881, no. 12

German article in Die Gartenlaube, 1863, no. 11–13

German article in Die Gartenlaube, 1871, no. 49

essay by Guido Hammer

essay by Guido Hammer

German article in Die Gartenlaube, 1860, no. 50

German article in Die Gartenlaube, 1870, no. 48

German article in Die Gartenlaube, 1877, no. 46

German article in Die Gartenlaube, 1872, no. 4

German article in Die Gartenlaube, 1882, no. 39

German article in Die Gartenlaube, 1869, no. 52

German article in Die Gartenlaube, 1861, no. 10

German article in Die Gartenlaube, 1869, no. 11

German article in Die Gartenlaube, 1877, no. 51

German article in Die Gartenlaube, 1860, no. 20