Ponsonby, Frederick Edward Grey,  1st Baron Sysonby. <br/><br/>
Recollections of three reigns / 
by Sir Frederick Ponsonby, first Lord Sysonby ; prepared for press with notes and an introductory memoir by Colin Welch. 
 - London :  Eyre & Spottiswoode,  1951. 
 - xv,365p.