Lachlan, R.. <br/><br/>
An Elementary Treatise Modern Pure Geometry /  Textual Documents 
R.Lachlan. 
 - 1st ed. / 
 - New York :  Macmillan and co ,  1893. 
 - x,287p. :  ill ;  22cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Geometry G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>513  / L 117 El