This research study reports on the effectiveness of older methodologies with regard to teaching purposes for the classical guitar. The following Methods were discussed : F Sor : Methode pour la Guitare; D Aguado : Nuevo Metodo para Guitarra; A Segovia, as written by V Bobri : The Segovia Technique. These Methods were evaluated and compared with current guitar techniques as applied by Pujol, Artzt, Carlevaro, Duarte, Duncan, Shearer, Parkening, Sagreras, and the opinions of Brouwer, Aussel and Barrueco were also taken into consideration. The following technical aspects were analysed : posture; the Tripod; right· and left·hand techniques; fingering and scales; quality of tone and right-hand stroke : apoyando, tirando and ornamentation, as applied by Sor, Aguado and Segovia; and Sor's opinion of transcriptions. The Methods for the vihuela, the four· and five-course guitar, and the efforts of the eighteenth and nineteenth century were briefly discussed, such as : Milan; Narvaez; Pisador; Mudarra / M. Mus. (Musicology)