Census 1931 :  classification of industries / 
General Register Office. 
 - London :  HMSO,  1934. 
 - vii, 95p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industries--Great Britain.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Great Britain--Census, 1931.