The (originally Traité de la Fugue ) by André Gédalge , specifically around page 51, typically addresses the core technical aspects of The Answer (La Respuesta) in a scholastic fugue. Core Content of Page 51
: Rules for transposing the subject to the dominant key while maintaining tonal integrity. Harmonic Functions Tratado De Fuga Andre Gedalge Pdf 51
: Detailed rules on the subject, answer, and general exposition. Part 2: Fugue as a Compositional Form The (originally Traité de la Fugue ) by