A. Efimov

• Walsh series and transforms
• Koloradskiĭ kartofelʹnyĭ zhuk i mery borʹby s nim
• Silʹnee gerkulesa
• Slovo v denʹ svi︠a︡titeli︠a︡ Khristova i Chudotvort︠s︡a Nikolai︠a︡ i tezoimenitstva blagochestivi︠e︡ĭshago gosudari︠a︡ imperatora Nikolai︠a︡ Aleksandrovicha
• Soviet industry
• Spravochnik po primenenii︠u︡ i︠a︡dov dli︠a︡ borʹby s vrediteli︠a︡mi i bolezni︠a︡mi selʹskokhozi︠a︡ĭstvennykh rasteniĭ
• Vadim Nezvanov