German article in Die Gartenlaube, 1870, no. 5

German article in Die Gartenlaube, 1883, no. 45

German article in Die Gartenlaube, 1870, no. 34

book published in 1888

German article in Die Gartenlaube, 1892, no 21

German article in Die Gartenlaube, 1876, no. 21–22

German article in Die Gartenlaube, 1871, no. 48

German article in Die Gartenlaube, 1870, no. 10

German article in Die Gartenlaube, 1878, no. 38

German article in Die Gartenlaube, 1894, no 38

German article in Die Gartenlaube, 1885, no. 23

German article in Die Gartenlaube, 1871, no. 5, 6

German article in Die Gartenlaube, 1884, no. 12

German article in Die Gartenlaube, 1872, no. 39

German article in Die Gartenlaube, 1884, no. 19

German article in Die Gartenlaube, 1871, no. 52

German article in Die Gartenlaube, 1883, no 20

German article in Die Gartenlaube, 1869, no. 38

German article in Die Gartenlaube, 1873, no. 27

German article in Die Gartenlaube, 1873, no. 4

German article in Die Gartenlaube, 1876, no. 50

German article in Die Gartenlaube, 1883, no. 20

German article in Die Gartenlaube, 1883, no. 49

German article in Die Gartenlaube, 1883, no. 21

German article in Die Gartenlaube, 1885, no. 43–45

Chicago, A. N. Marquis, 1895.

German article in Die Gartenlaube, 1879, no. 12