K.J. Wyß
1903-
Mitteilungen des Schweizerischen Bauernsekretariates
Nr. 18, 23, 26, 30, 37, 41, 48, 51, 57, 60, 65, 73, 80, 88, 93, 97, 103, 107, 111, 117, 124
1903 , 1905 , 1906 , 1907 , 1909 , 1911 , 1913 , 1915 , 1917 , 1920 , 1921 , 1923 , 1925 , 1927 , 1929 , 1930 , 1931 , 1933 , 1935 , 1937 , 1939
所蔵館3館