| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0035 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0036 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0037 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0038 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0039 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0040 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0041 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0042 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0043 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0046 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0047 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0048 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0049 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0050 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0051 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0052 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0053 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0054 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0055 | lv | | Nē | Jā | |
| LFK Bb | Folk music materials of Andrejs Jurjāns | 43 | Manuskripts | Bb43-Jurjanu-Andrejs-02-0060 | lv | | Nē | Jā | |