Title: Poshtovyĭ i tekhnichnyĭ zv'i︠a︡zok OUN i UPA
Subjects: Communication systems, Signalmen, History, Postage stamps, Cipher and telegraph codes, Orhanizat͡sii͡a ukraïnsʹkykh nat͡sionalistiv, Ukraïnsʹka povstansʹka armii͡a
Places: Ukraine