Inside Mizzou podcasts from former UM Alexander Chancellor Cartwright
https://chancellor.missouri.edu/inside-mizzou/
University Archives
https://muarchives.missouri.edu/
Vox
https://www.voxmagazine.com/
The Maneater
https://www.themaneater.com/
MIZZOU Magazine
https://mospace.umsystem.edu/xmlui/handle/10355/53784 (This link has more recent issues.)
https://mizzoumag.missouri.edu/
MU buildings (architecture)
https://muarchives.missouri.edu/historic/#
University of Missouri Building and Infrastructure Archive
https://www.cf.missouri.edu/cf/spm/archives/about
For books on the history of the University of Missouri, use the MERLIN catalog. You can search for general histories, histories of departments and programs, etc.
Sample titles:
A place of visions : one hundred years of the University of Missouri Libraries, 1915-2015 by Steve Weinberg