VSn THIS IN THE BOOK 



AS AN 



INDEX SHEET= 



To diviclc oil the wuik 

 ip differcul- studies 



OR 



R3 U 



Filing Cover 



To bind, with the fasteners, 

 ^ all work worth keeping for review.) 



For use in 



National Notebook 



Patented by E. W. HIII, July 5, i8o8. 



SUBJECT OF study: 



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