Georgi Topalov

• Istorii͡a︡ na sŭobshtenii͡a︡ta v Dobrichkii͡a︡ kraĭ
• Izcheznali selishta ot Dobrichka oblast prez XIX i XX vek
• Kratka ent͡s︡iklopedii͡a︡ na rodoslovii͡a︡ta i familnite imena na bŭlgarite ot Spasovski raĭon, Dobrichko, 1817-1992 g
• Petŭr Topalov-Shmidt
• Rechnik na selishtnite naimenovanii︠a︡ v Dobrichka oblast