228813
Dundas had also received more practical proposals for volunteer forces from the Marquess of Buckingham , Arthur Young and General Sir William Erskine .
 Dundas, Marquess of Buckingham, Arthur Young, Sir William Erskine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dundas, Marquess of Buckingham, Arthur Young, Sir William Erskine