- <td>2.4 Fretted string instruments<br>(1830)</td>
- <td>Valentin Villenave<br>
- <small>Jean-Charles Malahieude<br>
- John Mandereau</small><br>
- <span style="background-color: #dfef77">partially translated (15 %)</span><br>
- <span style="background-color: #ff6d58">partially up to date</span><br>
+ <td>2.4 Fretted string instruments<br>(1850)</td>
+ <td>Matthieu Jacquot<br>
+ <small>Jean-Charles Malahieude</small><br>
+ <span style="background-color: #1fff1f">translated</span><br>
+ <span style="background-color: #1fff1f">up to date</span><br>