| LFK | Collection of Alma Pole | 33 | Manuscript | 0033-Alma-Pole-01-0145 | lv | | No | Yes | |
| LFK Bb | Collection of J. Miklavičs - Pūpols | 24 | Manuscript | Bb24-J-Miklavics-Pupols-0428 | lv | | No | Yes | |
| LFK Bb | Collection of J. Miklavičs - Pūpols | 24 | Manuscript | Bb24-J-Miklavics-Pupols-0429 | lv | | No | Yes | |
| LFK Bb | Collection of Kārlis Tukmanis | 33 | Manuscript | Bb33-Karlis-Tukmanis-0032 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0195 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0196 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0197 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0198 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0199 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0200 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0201 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0202 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0203 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0204 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0205 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0206 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0207 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0208 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0209 | lv | | No | Yes | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuscript | Bb43-Jurjanu-Andrejs-01-0210 | lv | | No | Yes | |