Title: Ugunsgrāmata
Subjects: Biography, Intelligence officers, Latvian Personal narratives, Secret service, Soviet Union, Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡, World War, 1939-1945
Places: Latvia
People: Longins Avdjukevičs (1916-)