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

book edition published sometime between 1903–1905

book edition published in 1906

book edition published in 1909