Anybody knows where I can find data about German census at the city level for the period 1925-1935?
In particular, I am interested in the age structure of the population of the largest cities, the so-called Großstädte (> 100 000 inhabitants).
EDIT: I found out that in that period there have been two censuses in Germany, one in 1925 and one in 1933. I found data for year 1933 but I am still striving to find data about 1925 census. Any help in this direction?