Dalzell, J. Ralph  1900-1970. <br/><br/>
Masonry simplified / 
J. Ralph Dalzell, Gilbert Townsend. 
 - 3rd ed. 
 - Chicago :  American Technical Society,  1973. 
 - 408 p.  ill. 
<br/><br/> Volume 1. 
<br/><br/>v. 1. Tools, materials, practice; bricklaying, concrete block and cement masonry. 
<br/><br/><label>ISBN: </label>0826906273 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Masonry.