copies of Black Beauty have been sold in the years since Anna Sewell's publisher paid her £20 for the story." (29 February 2008) Library Journal (页面存档备份,存于互联网档案馆)
February 2005 [13 July 2024]. Wolfgang Saxon. Guenter Reimann, Economic Publisher, Is Dead at 100. The New York Times. 4 April 2005: B 7 [17 February 2021]