I posted an earlier message in the “Is this reading Caesar” thread , but we started going OT and Waldo Sweet deserves his own thread.
Denbek was kind enough to post a link where one reader at a time can check out Waldo Sweet’s Latin: A Structural Approach:
https://archive.org/details/latinstructurala00swee/
The University of Michigan Latin program posted Waldo Sweet’s manuscript that was part of his course pack for Latin Instructors at the summer program at U Mich back in the late 1950s. It’s here:
https://sites.lsa.umich.edu/michiganlatin/wp-content/uploads/sites/39/2014/02/Sweet_1960.pdf