Worcester State yearbooks are now available through online digital access.
Thanks to Digital Commonwealth (the WSU Library is a member) and the
Boston Public Library digitization team, all Worcester State yearbooks from the
years 1935 through 2011 are available online at Archive.org.
Search: ‘Worcester state oak leaf’.
But direct access is here: https://archive.org/details/worcesterstateuniversity?and[]=The%20oak%20leaf%20worcester%20state
Worcester State University Library 