The needs of children :  a survey of the needs of children in the developing countries / 
prepared by United Nations Children's Fund ... [et al.] ; ed. George Sicault. 
 - New York :  United Nations Children's Fund,  1963. 
 - 175 p., [16] p. de láms. 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Niños--Beneficencia, protección, etc.<br/>Niños--Salud e higiene