I have his late 1930's set of yearbooks from Princeton (he was a associate professor at the time)
Among other grads from the group was Jimmy Stewart.
He had some of the coolest stories, including meeting Einstein riding his bike to classes every day.
mware, those may be quite valuable. In those days, there weren’t that many students at Princeton, plus during the 30’s some would have not purchased yearbooks due to finances.
I would be surprised if more than 5,000 had been published in any given year, and most of those are probably not in existence any more (fire, flood, people throwing them away, etc.).
Given that it also has celebrity and historical value, you should hang onto those unless you decide you want to sell them.
My son is at Princeton right now. It’s an awesome place.