, Hohmann: "Basic Violin Tutorial". It is divided into five volumes. The first volume is for exercises on open strings and E, A, D, and G strings; the second volume is for simple exercises in various keys; the third volume is for various deeper exercises with sharp horns; The fourth volume is exercises for changing positions, exercises for higher positions; the fifth volume is exercises for higher positions and more difficult ones. Various exercises mostly use short pieces of music and are performed in the form of duets. This is an introductory textbook for beginners to learn the violin. 2. Wolfart: "60 Violin Etudes". The first half of the book is relatively shallow, so you can start practicing after finishing the second volume of "Homann"; the second half of the book is more advanced, and you can practice it in combination with "Kaibo". 3. Kaisei: "36 Violin Etudes" Op. 20, commonly known as "Ketseler's Preparatory Etude". The first 12 songs are basic position exercises, songs 13-24 are mixed exercises for basic positions and third position, and songs 25-36 are advanced position exercises. This is an intermediate violin textbook. 4. Shevchik: "Violin Left Hand Techniques Practice". ***Four volumes focus on training left-hand skills. 5. Helimery: "Violin Scale Exercises". Focus on practicing notes and arpeggios. 6. Donte: "24 Preparatory Etudes by Kretzel and Rode", Op. 37 (commonly known as "Little Donte"), and "24 Violin Etudes and Caprices", Op. 35 (commonly known as "Big Donte") special"). It has a remarkable effect on training modern fingering skills and improving the flexibility of the left hand. 7. Mazas: "75 Lessons of Melodic Etude and Advanced Study Etude", Op. 36. This is an excellent textbook for intermediate and advanced levels, divided into three volumes. Episodes 1-30 of the first episode are also called "Special Etudes" and are usually practiced interspersed with "Little Donte"; lessons 31-57 of the second episode are called "Glorious Etudes" and are usually practiced with "Kretzer" "Etude" is interspersed with practice; the third episode, lessons 58-75, is called "Etude for Artists" and is generally interspersed with "Paganini's 24 Caprices". 8. Rhodes: "24 Caprices", one in each of 24 major and minor keys, is a required textbook for strictly training violinists. 9. Kretzer: "42 Violin Etudes". This is a famous advanced violin etude. 10. Paganini: "24 Caprices". This textbook greatly develops violin playing skills and meets advanced and difficult technical requirements. It is a required course for violin players and is also performed at concerts.