193580
The petitioner , Clinton Jencks appealed , by certiorari , his conviction in a Federal District Court of violating 18 U.S.C. 1001 by filing , under 9 ( h ) of the National Labor Relations Act , as president of a labor union , an affidavit stating falsely that he was not a member of the Communist Party or affiliated with such Party .
 Clinton Jencks, Federal, National Labor Relations Act, Communist
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Clinton Jencks, Federal, National Labor Relations Act, Communist