Bort︠s︡y Latvii v Ispanii : 1936-1939 : vospominanii︠a︡ i dokumenty /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Ziemelis, S.(Sigurds),1927-1981.
Latvijas KP CK Partijas vēstures institūts.
Riga : "Liesma",
1970.
John and Ljubica Erickson collection.
At head of title: Institut istorii partii pri T︠S︡K KP Latvii--filial Instituta marksizma-leninizma pri T︠S︡K KPSS.
Translation of Latvijas cīnītāji Spānijā.