Century 21 shorthand: collegiate series 
[by] Irol Whitmore Balsley [and others] System design and research consultant, Edward L. Christensen. Shorthand plates written by Stanford D. DeMille. 
 - Cincinnati,  South-Western Pub. Co.  [1974- 
 - v.     28 cm. 
<br/><br/> "R70"- 
<br/><br/>book 1. Theory and practice.--book 2. Intensive dictationn & transcription.--book 3. Dictation/transcription projects. 
<br/><br/><label>ISBN: </label>053818700X (book 1) 
<br/><br/><label>LCCN: </label>72081798  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shorthand--Century 21.
<br/><br/><label>LC Class. No.: </label>Z56  / .C39 
<br/><br/><label>Dewey Class. No.: </label>653/.426