This opinion cites 9 cases:

Wirtz v. Hotel, Motel & Club Employees Union, Local 6 ( 1968 )


Donovan v. Local 299, International Brotherhood of Teamsters, Chauffeurs, Warehousemen & Helpers of America ( 1981 )


dante-martire-v-laborers-local-union-1058-a-labor-organization-thomas ( 1969 )


william-j-usery-jr-secretary-of-labor-v-local-union-no-639 ( 1976 )


raymond-j-donovan-secretary-of-labor-united-states-department-of-labor ( 1986 )


peter-j-brennan-secretary-of-labor-united-states-department-of-labor-v ( 1973 )


Dunlop v. Bachowski ( 1975 )


Wirtz v. Glass Bottle Blowers ( 1968 )


Donovan v. Pennsylvania Optical Workers Ass'n ( 1985 )