Authority <br/><br/>
Historical and descriptive catalogue of the pictures busts and c. :  in the national partrait gallery st. martin's place, W. C. / 
by Authority 
 - London :  Printed forHer Majesty's Stationery Office,  1907 
 - xviii, 54 p. ;  21 cm. 
<br/><br/> Including every partrait up to the present date, with supplement, February, 1907