Howard Herman-Haase has combed through all of the known Morris catalogs and has attempted to determine the dates of those catalogs that were published without dates. The results of his research are available here: https://woodencanoemuseum.org/research/dating-morris-catalogs
As a bonus, it serves as a guide to all of the known Morris and Veazie catalogs discovered to date.
As a bonus, it serves as a guide to all of the known Morris and Veazie catalogs discovered to date.