http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a study of the intelligence and the social background of bilingual children in New York city
vi, 164 pages : illustrations (maps) diagrams ; 24 cm.
"The main experimental groups are two in number, one composed of Italian children and the other, Jewish."--page 22.
Issued also as thesis (PH. D.) Columbia university.
Columbia University. Teachers College. Contributions to education