Thank you for the suggestions. I was able to find a copy of Waldstreicher's book on eBay and am reading it now.
Mr. Taylor, I found your website and would like to contact you directly via the email on it in a day or so when I have time, if that is okay.
This article may have some useful info:
Jordan E. Taylor, “Enquirer of the Printer: Newspaper Advertising and the moral economy of the North American slave trade, 1704-1807.” Early American Studies 18 (3), 287-323, 2020.
Felicia Y. Thomas
Morgan State University
I am working on a book about the business and personal relationships between Benjamin Franklin and printer James Parker. Among the areas I am exploring is their associations with the slave trade.