Beretning, ved Otto Grenness. 

 - Oslo,  E.B. Oppi,  1925. 
 - 192 p.  24 cm. 
<br/><br/><label>LCCN: </label>e  32000380  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical education and training--Congresses.<br/>Physical education and training--Congresses.--Scandinavia<br/>School hygiene--Congresses.--Scandinavia
<br/><br/><label>LC Class. No.: </label>GV205  / .N58 1924