Kaplan, Justin <br/><br/>
Mark Twain and his world 
Justin Kaplan 
 - New York  Simon & Schuster  1974 
 - 224 p. : ill. (part col.) ; 26 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 216-219. 
<br/><br/><label>ISBN: </label>0718112245 
<br/><br/><label>Subjects--Personal Names: </label><br/>Twain, Mark, 1835--1910--Biography
<br/><br/><label>Subjects--Topical Terms: </label><br/>Authors, American--19th century--Biography