This book may help:
A directory of early Illinois photographers : preliminary investigations into photography as practiced in Illinois, excluding Chicago, from circa 1846 to 1914 : a work-in-progress report / compiled by Marie Czach
I did a limited search in it at HathiTrust.org. Hannaman and Launey occur in it, including both on one page.
35 libraries have this book. You could contact one or more to see if their reference librarian could help you:http://www.worldcat.org/title/directory-of-early-illinois-ph...