MacRobert, Thomas Murray, 1884-1962.  MacRobert, Thomas Murray, 1884-1962. <br/><br/>
Trigonometry.  Pt. III, Advanced trigonometry /  Pt. III, Advanced trigonometry / 
by T.M. MacRobert and William Arthur. 
 - 2nd ed. 
 - London :  Methuen,  [1950] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Advanced trigonometry.