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Writings He was a contributor to The Liberator and the Anti-Slavery Standard ( Boston and New York , 1837 – 49 ) , was co-editor of The Charter Oak ( Hartford , 1838 – 41 ) , and published numerous reported cases in the Medical and Surgical History of the War of the Rebellion ( Washington , 1870 – 72 ) .
 organization: The Liberator; organization: Anti-Slavery
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: The Liberator, Anti-Slavery 
Answer:
 organization: The Liberator; organization: Anti-Slavery