Dalzell, J. Ralph (James Ralph), 1900-1970.  Dalzell, J. Ralph (James Ralph), 1900-1970. <br/><br/>
Concrete block construction for home and farm / 
by J. Ralph Dalzell and Gilbert Townsend ; contributor to 2nd ed.: Edward Matzke. 
 - Chicago :  American Technical Society,  [1966] 
<br/><br/> Adapted and enlarged from sections of,"Masonry simplified" vols. I & II.  Added imprint on pasted label, London, Technical Press.  First published in this ed. in 1957. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concrete blocks.<br/>Concrete construction.