Consolidated list of government publicatons 

 - London  His Majesty's Stationary Office      1949 
 - "vi, 444p"  cm. 
<br/><br/><label>Standard No.: </label>187176 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"a55,B.56124.N48, H9"