If you do obtain the PDF, here are three "Leonhardt-isms" you should highlight:

However, none of these texts will teach you how to manage a stressing crew or inspect ducts for grout voids the way Leonhardt does. That is the unique value of his work.

While modern engineers now work with higher-strength materials and advanced software, Leonhardt’s book is still cited for its authoritative treatment of:

The basic principles of prestressed concrete design and construction are: