Χωρίς τίτλο Letter by Apostolis Ploumas to Nikos concerning the partisan groups of the United Panhellenic Youth Organisation (EPON) in the 13th division of the Greek People’s Liberation Army (ELAS) in Central Greece - Πλούμας Αποστόλης; Ploymas Apostolis; Νίκος; Nikos; Ε.Λ.Α.Σ. / ΧΙΙΙ Μεραρχία / Επιτροπή Διαφώτισης Ανταρτών (Ε.Δ.Α.) Τμήμα Ε.Π.Ο.Ν.; Greek People's Liberation Army (ELAS) - 13th Division