Williamson, R.S.. <br/><br/>
Vital Primary Geometry Book I /  Textual Documents 
R.S.Williamson. 
 - 1st ed. / 
 - London :  Macmillan and co ,  1949. 
 - 32p. :  ill ;  21cm . 
<br/><br/><label>Subjects--Index Terms: </label>Geometry G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>513  / W 675 V