Simsova, Sylva (1980). "Library training for services to minority ethnic groups: concepts and general principles", Library Trends29 (2): 245-258.
10.
Simsova, Sylva (1980a). "Multicultural populations: their nature and needs" in Multicultural librarianship: an international handbook . (11-43). Miinchen: K. G. Saur.
11.
Stadler, Alois (1980) "Children of guest workers in Europe: social and cultural needs in relation to library services", Library Trends29(2): 325-334.
12.
Wertheimer, R. Jacobs (1980). "Children of immigrants and multiethnic heritage: Australia, Canada, the United Kingdom, and the United States", Library Trends29 (2): 335-351.