Robert Hutchinson - Music Theory for the 21st-Century Classroom ( LibreTexts Humanities )

 https://libretexts.org/

https://musictheory.pugetsound.edu/mt21c/MusicTheory.html

ou

https://dokumen.pub/qdownload/music-theory-for-the-21st-century-classroom.html

James Hepokoski - A Sonata Theory Handbook ( Oxford University Press ) 2021

 https://global.oup.com/academic/product/a-sonata-theory-handbook-9780197536827?cc=br&lang=en&

https://pdfcoffee.com/james-hepokoski-a-sonata-theory-handbook-oxford-university-press-2020-4-pdf-free.html

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https://drive.google.com/file/d/1iu98FbBe0PP5A4eNOrZhoCIe1-cyI7PV/view?usp=sharing

William E. Caplin - Analyzing Classical Form: An Approach for the Classroom ( Oxford University Press ) 2013

 https://reviewbooku.com/review/william-e-caplin-analyzing-classical-form-5053030

https://pdfcoffee.com/qdownload/william-e-caplin-analyzing-classical-form-pdf-free.html

ou

https://drive.google.com/file/d/1Qp-gmyHGRHjGYpkqwD6VgtLQNtVJq5DT/view?usp=sharing