Why doesn't the cucumber sing? Polish poems for children =  pourquoile concombre ne chante-t-il pas?, poesies polonaises pour enfants / 
UNESCO. 
 -  1976. 
 - 73 p. 
<br/><br/> Written in French. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Poems. Children.