Rukopozhatie v kosmose : spet︠s︡ialʹnyĭ vypusk /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Konovalov, Boris Nikolaevich.
Rostarchuk, M.(Mikhaĭl)
Ostroumov, G. S.
Moskva : Izd-vo "Izvestii︠a︡",
1975.
John and Ljubica Erickson collection.
Apollo Soyuz Test Project.