Answered By: Regan Brumagen Last Updated: Jul 19, 2016 Views: 14
Thank you for your contacting us. I am attaching a scan that shows a brief timeline of George Duncan's glass involvement. I am also attaching bibliographies we have for the companies that he was involved with: Ripley, Pittsburgh and Duncan. I hope they serve as a good starting point for your research. To get any of the items on the lists, take the lists to your local library and have the librarian request the item through Inter-library Loan. We are happy to send copies or articles and second copies or microforms of books. If you have any questions, please feel free to ask me.