Columbia subject headings:
Harvard subject headings:
Educational sociology--Scotland--Longitudinal studies.
Educational sociology--United States--Longitudinal studies.
Intelligence tests--Scotland--Longitudinal studies.
Occupational mobility--Scotland--Longitudinal studies.
Social change--Longitudinal studies.
Social mobility--Scotland--Longitudinal studies.
Princeton subject headings:
Educational sociology--Scotland--Longitudinal studies.
Educational sociology--United States--Longitudinal studies.
Intelligence tests--Scotland--Longitudinal studies.
Occupational mobility--Scotland--Longitudinal studies.
Social change--Longitudinal studies.
Social mobility--Scotland--Longitudinal studies.