Brzechwa, Jan,  1898- <br/><br/>
Hipopotam / 
Jan Brzechwa ; [ilustrowala Joanna Casselius]. 
 - Warszawa :  Kama,  [199-?] 
 - 1 v. (unpaged) :  ill. 
 - Biblioteka najmlodszych .
<br/><br/> On board pages. 
<br/><br/> A fable in verse for young children.   Ages 4-8. 
<br/><br/><label>ISBN: </label>8385497013