Kirill i Mefodiĭ (Firm)

• Bolʹshai͡a ėnt͡siklopedii͡a Kirilla i Mefodii͡a -- 1999
• Bolʹshai︠a︡ ėnt︠s︡iklopedii︠a︡ Kirilla i Mefodii︠a︡ 2001