Not sure if this has been covered before but the Smithsonian may hold some gems for us Kingston Trio fans. Here is a link to Nick's tenor guitar. I will continue to dig. MTABob

https://collections.si.edu/search/detail/edanmdm:nmah_609415?q=Kingston+Trio&record=12&hlterm=Kingston%2BTrio&inline=true

https://collections.si.edu/search/detail/edanmdm:nmah_609416?q=%22Kingston+Trio%22&record=10&hlterm=%26quot%3BKingston%2BTrio%26quot%3B&inline=true

Can someone lead the way and find out how we can look at the other donations Nick made to the Smithsonian? This could be a gold mine of new info.