This academic article has just appeared in the Vienna Journal on International Constitutional Law (2019 vol 13(2), pp. 119-146). It considers the judgments of the South African Constitutional Court that have dealt with instances where South African cities have asserted power against other levels of government, or where their autonomous exercise of power has been challenged, in an attempt to understand the constitutional parameters of urban autonomy in South Africa. Access it here, or email me for a copy.