Canada. Department of National Health And welfare. Research and Statistics Division <br/><br/>
Allowances for the totally and permanently disabled medical statistics, April 1956 to march 1957 
by Research and Statistics Division, Department of National Health And welfare 
 - Ottawa  Department of National Health And Welfare  1957 
 - v.p. 
<br/><br/><label>Dewey Class. No.: </label>Q61x71 1956-57