Writing mechanics :  a capsule description of changes in writing mechanics 

 - Washington :  U.S. Govt. Printing Office ,  1975 
 - xi, 59 p. :  ill. ;  28 cm. 
<br/><br/> Writing report no. 05-W-01 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Composition and exercises
<br/><br/><label>Dewey Class. No.: </label>420