I should also provide general tips on studying fugue, such as understanding the subject, countersubject, episodes, and counterexamples. Maybe some steps for practicing fugue composition, and recommend looking into Gedalge's compositions if they're relevant. I can suggest using academic databases, libraries, or educational institutions. Also, mention that some universities offer free resources or archives.
If there isn't an official publication by Gedalge on fugue, the user might have encountered a PDF created by someone else, possibly a fan or an educator, that uses Gedalge's methods. Alternatively, it could be a mistranslation or a misattribution. In that case, the user might be looking for resources on fugue composition, and Gedalge's name is associated with it. Tratado De Fuga Andre Gedalge Pdf 51
The "Tratado De Fuga" is an invaluable resource for: I should also provide general tips on studying