Dear Friends,

This message serves to cap my query made last week, apologies for the belated reply. Thanks to the list my current research has been greatly helped.The swift and substantial amount of useful suggestions and resources has once again proved the great utility of the Indology list! My thanks to everyone who responded both on and off list. For the convenience of future readers, I have compiled all of the resources publicly recommended below:

Reinhold Grünendahl, South Indian Scripts in Sanskrit Manuscripts and Prints. Harrassowitz, 2001.

Elements of South-Indian Palæography, from the Fourth to the Seventeenth Century, A. D.: Being an Introduction to the Study of South-Indian Inscriptions and Mss
by Arthur Coke Burnell
Trübner & Company, 1878:
https://books.google.com/books?id=ywcIAAAAQAAJ 

High resolution scan of Burnell’s "Elements of South­ Indian Palæography” at archive.org:
https://archive.org/details/Burnell1878 (plates/tables of characters open, not folded up)

Rath, Saraju. 2012. “Varieties of Grantha Script: The Date and Place of Origin of Manuscripts.” In Aspects of Manuscript Culture in South India, edited by Saraju Rath, 187–206. Leiden: Brill.

K. Venugopalam, A Primer in Grantha characters, publ. by James H. Nye, 1983
https://archive.org/stream/APrimerInGranthaCharacters/A%20Primer%20in%20Grantha%20Characters_djvu.txt
http://dsal.uchicago.edu/digbooks/dig_toc.html?BOOKID=PK419.V468_1983

Virtual Vinodh, Grantha Primer
http://www.virtualvinodh.com/wp/grantha/

And for Telugu:
Edward C. Hill, A Primer in Telugu characters, Indological Primers Series ed. James H. Nye, New Delhi: Manohar, 1991
http://www.learningtelugu.org/files/A%20primer%20of%20Telugu%20charaters.pdf
http://dsal.uchicago.edu/digbooks/dig_toc.html?BOOKID=PL4772.H550_1991

Thanks again!
Charles

--
Dr. des. Charles DiSimone | Postdoctoral Research Fellow 
Buddhist Digital Resource Center 佛教数字资源中心