Autora paraksti, zīmogi, uzraksti: https://gorod.lv/novosti/334271-v-daugavpilse-kurmelyovtsy-izdali-knigu-o-lubimom-uchitele?fbclid=IwAR1fzYbcNhvGUyvkgBhSHieRcy3nzJCZJBYODcrNDRepTBiwjlkO-IMU9oU