Gray, Percy <br/><br/>
A quality check on the 1966 ten per cent sample census of England and Wales 
by Percy Gray and Francis A. Gee 
 - London  Her Majesty's Stationery Office  1972 
 - 225+p. 
<br/><br/><label>Dewey Class. No.: </label>A81068x42 Un3/1966