Fichier:The Big T 1961.pdfUnited States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle
Fichier:Epirus & modern borders.jpgby Nicholas Geoffrey Lemprière Hammond,1976,ISBN -0815550472,page 54,The line of division between Illyricum and the Greek area Epirus nova Hammond, N