1. Caratteristiche e tendenze delle migrazioni interne in Italia (Characteristics and trends of internal migrations in Italy);ALBERONI;Studi di Sociologia,1963
2. Mouvements migratoires intérieures en Belgique pendant la période 1954–1958 (Internal migratory movements in Belgium, 1954–1958);ANDRÉ;Bulletin de la Société Royale Belge de Géographie,1960
3. I movimenti migratori a Torino negli anni di rapido sviluppo economico (Migratory movements to Turin in the years of rapid economic development);ANSELMOTTI;Realtá de Mezzogiorno,1963
4. ARIAS, J. B., Internal migration in Guatemala, International Population Conference 1961, paper 120.
5. Los movimientos migratorios en Espana (Migratory movements in Spain);BARBANCHO;Revista de Estudios agro-sociales,1963