https://shkola.obozrevatel.com/ukr/books/9klass/istorija_ukrainy/1480/27-28--pochatok-gromadyanskogo-ruhu-v-naddnipryanschini--suspilno-politichnij-ruh-u-50-60-h-rokah-19-st--na-zahidnoukrainskih-zemlyah/220/