Henry Bryan Binns 
Life of Walt Whitman [PDF ebook] 

This book makes no attempt to fill the place either of a critical study or a definitive biography. The author found it impossible to draw a real portrait of the man without attempting some interpretation of his books and the quotation from them of characteristic passages, for they are the record of his personal attitude towards the problems most intimately affecting his life. Whitman was a man of special and exceptional character.