349799
He settled in London , where he published Yankee Letters to British Workmen in 1871 , and became active in the First International , editing its British journal , the International Herald , from 1872 .
 London, First International
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 London, First International