| LFK Bb | Collection of J. Miklavičs - Pūpols | 24 | Manuskript | Bb24-J-Miklavics-Pupols-0429 | lv | | Nein | Ja | |
| LFK Bb | Collection of Kārlis Tukmanis | 33 | Manuskript | Bb33-Karlis-Tukmanis-0032 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0195 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0196 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0197 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0198 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0199 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0200 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0201 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0202 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0203 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0204 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0205 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0206 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0207 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0208 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0209 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0210 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0211 | lv | | Nein | Ja | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskript | Bb43-Jurjanu-Andrejs-01-0212 | lv | | Nein | Ja | |