Williams, Robert Campbell,  1891- <br/><br/>
Cost of pupil transportation in consolidated schools of Iowa, 
by R. C. Williams, director of research. Department of public instruction, Agnes Samuelson, superintendent. 
 - Des Moines,  Pub. by the state of Iowa  [1938] 
 - 31 p.  incl. tables.  22 cm. 
 - Iowa. Dept. of public instruction.  Research bulletin ;  no. 22. .
<br/><br/> At head of title: State of Iowa. 1938. 
<br/><br/><label>LCCN: </label>e  38000237  
<br/><br/><label>Subjects--Topical Terms: </label><br/>School children--Transportation--Iowa.
<br/><br/><label>LC Class. No.: </label>LB2864  / .W54