Translation: Various. Various.
Translation: Diatonic Major and Minor Scales composed by Andres Segovia. Standard guitar notation, fingerings and introductory text.
Translation: Diatonic Major and Minor Scales for Electric Bass edited by Damon Mazzocco. should never neglect the patient study of scales.
Translation: Slur Exercises, Trills, and Chromatic Octaves composed by Andres Segovia. Along with his Diatonic Major and Minor Scales.
Translation: Getting into Classic Guitar composed by Ben Bolt. Beginning.
Translation: For Guitar. Guitar Method or Supplement. 21st Century Guitar Course.