Gotovnostʹ k podvigu : [sbornik] /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Krinov, I︠U︡. S.(I︠U︡riĭ Sergeevich)
Rukavishnikov, G. P.(Gennadiĭ Petrovich)
Moskva : DOSAAF,
1977.
John and Ljubica Erickson collection.
Leningradskai︠a︡ organizat︠s︡ii︠a︡ oboronnogo obshchestva.
Civil defense