From the introductory page of The Regalia of Princeton University:

The mélange of Princeton University’s symbols, honors, implements, and traditions touched upon herein represents a meandering through the University’s trove of interesting memorabilia. It may be regrettable that Princeton is somewhat less rich in traditional kinds of paraphernalia than many other institutions of higher learning, but the ruling powers have always taken pride in a modest approach to ceremony.

Margaret Smagorinsky

Here is the full text of The Regalia of Princeton University: Pomp, Circumstance, and Accoutrements of Academia