Hill, Tom  , 1922- <br/><br/>
The watercolor painter's problem book 
/ Tom Hill 
 - New York  : Watson-Guptill Publications  , c1979. 
 - 144p-il- us20 
<br/><br/><label>ISBN: </label>0-8230-5677-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Watercolor Painting--- Technique
<br/><br/><label>Dewey Class. No.: </label>751.2 HIL