Hanna, Lavone Agnes <br/><br/>
Unit teaching in the elementary school  social studies and related sciences 
Lavone A. Hanna, Gladys L. Potter [and] Neva Hagaman. 
 - New York  Holt, Rinehart and Winston  1955. 
 - 595 p.  illus.  24 cm. 
<br/><br/> Beginning with 3d ed. (1973) published under title: Dynamic elementary social studies. 
<br/><br/><label>LCCN: </label>63009182 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unit method of teaching.
<br/><br/><label>LC Class. No.: </label>LB1029.U6  / H3 1963 
<br/><br/><label>Dewey Class. No.: </label>372