German article in Die Gartenlaube, 1892, no. 26

German article in Die Gartenlaube, 1893, no. 50

German article in Die Gartenlaube, 1894, no. 12

1893 book by Alexander Tille

German article in Die Gartenlaube, 1895, no. 49

German article in Die Gartenlaube, 1890, no. 26

German article in Die Gartenlaube, 1890, no. 6

German article in Die Gartenlaube, 1891, no. 50

German article in Die Gartenlaube, 1889, no. 51

German article in Die Gartenlaube, 1893, no. 52

German article in Die Gartenlaube, 1894, no. 49

German article in Die Gartenlaube, 1894, no. 51

German article in Die Gartenlaube, 1888, no. 49

German article in Die Gartenlaube, 1889, no. 5