Columbia subject headings:
Harvard subject headings:
Boys--Education--Congresses.
Men--Identity--Congresses.
Sexism in education--Congresses.
Sports for children--Congresses.
Sports--Sociological aspects--Congresses.
Princeton subject headings:
Boys--Education--Congresses.
Men--Identity--Congresses.
Sexism in education--Congresses.
Sports for children--Congresses.
Sports--Sociological aspects--Congresses.