![Free-eBooks.net](/resources/img/logo-nfe.png)
![All New Design](/resources/img/allnew.png)
PERMISSIONS
I have made every effort to trace the ownership of all copyrighted material and to secure permission from copyright holders. In the event of any question arising as to the ownership of any material, I will be pleased to make the necessary correction in future printings.
Grateful acknowledgment is made to the following publishers and authors for permission to reprint material copyrighted or controlled by them: