Columbia subject headings:
Family archives--Greece.
Kommounistikon Komma tēs Hellados--History--20th century.
Kommounistikon Komma tēs Hellados--History--Sources.
Ploumpidēs family--Archives.
Ploumpidēs, Nikos.
Harvard subject headings:
Family archives--Greece.
Kommounistikon Komma tēs Hellados--History--Sources.
Ploumpidēs family--Archives.
Ploumpidēs, Nikos.
Princeton subject headings:
Communists--Greece--History--Archival resources.
Family archives--Greece.
Kommounistiko Komma Helladas--History--20th century--Archival resources.
Ploumpidēs family--Archives.
Ploumpidēs, Nikos.