Cull, Richard. <br/><br/>
Observations on impediments of speech   : with some remarks on their successful treatment in a letter addressed to T.J. Pettigrew... /  
by Richard Cull. 
 - London :   Renshaw and Rush,   1833. 
 - 31 p. ;   22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voz---Trastornos.<br/>Lenguaje---Trastornos.