Alexander Gardner, photographer

[Gene C]

Thanks Steve.
The article linked to is very good. It mentions a book "Gardner's Photographic Sketchbook of the Civil War"
That book is available on the Internet Archives - https://archive.org/details/gardnersphotogra0000gard

You have to log in to their site to view it, but that is an easy process, and I haven't received any junk emails from signing in.