The R. Bolling Batte Papers

From the Library of Virginia's R. Bolling Batte Papers — Biographical Card File:

Guide
The main index is alphabetical by surname... .

In the key to the sources a letter indicates the type of document and the number indicates either the county or a specific item. For example, A3 stands for Petersburg birth registers.. . (A=birth register, 3= Petersburg... .)

A random example:

Source