Allen, Edward Sentzer, 1887- <br/><br/>
Six-place tables :  a selction of tables of wquares ... with explanatory notes / 
by Edward S. Allen. 
 - 7th ed. 
 - Manila :  National Book Store,  c1977. 
 - xxiii, 242 p. 
<br/><br/><label>ISBN: </label>9710808044 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Tables, etc.<br/>Logarithims.