Συγγραφέας
United States. Congress. House. Committee on Education and Labor
2
United States. Congress. House. Committee on Energy and Commerce
2
United States. Congress. House. Committee on Ways and Means
2
United States. Congress. Senate. Committee on Health, Education, Labor, and Pensions
2
Fix, Michael
1
Struyk, Raymond J.
1
United States Commission on Civil Rights
1
United States. Congress. House. Committee on Rules
1