Morgan, Frank M. <br/><br/>
Plane and spherical trigonometry. 

 - N.Y.:  American Book Co.,  1945. 
 - v, 247p.; 23cm 
<br/><br/>"N" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Plane trigonometry 2. Spherical trigonometry 3. Logarithms.
<br/><br/><label>Subjects--Index Terms: </label>"Y" 
<br/><br/><label>LC Class. No.: </label>QA531   / .M67