| 1 | | Тережка тережила (krievu val.) | Anna Teminova
| Russian folklore collection of Ivan Fridrih | 1195 | | LFK
| Salienas pagasts | 1959 | Audio | |
| 2 | | The moon is shining | | 26th scientific expedition in Ludza district | 2005 | 2005 | LFK
| Mērdzine | 1972 | Audio | |
| 3 | | Плыв(і)ал чулочік (baltkrievu val.) | Jūlija Kraševska
| 6th scientific expedition in Ventspils and Jēkabpils districts | 1895 | 1895 | LFK
| Asare | 1952 | Audio | |
| 4 | | Zynu, zynu tāva sātu, navajaga rōdeitōja | Annele Aleksāne
Anna Strupka
| Video collection | 5000 | | LFK
| Sviļpova | 1988 | Video | |
| 5 | | Zynu, zynu tāva sātu | | Collection of Jānis Rozenbergs | 2069 | | LFK
| Ludza | 1991 | Audio | |
| 6 | | Zynu, zynu tāva sātu | | Video collection | 5000 | | LFK
| Sakstagols | 2003 | Video | |
| 7 | | Zynu, zynu tāva sātu | | Collection of Jānis Rozenbergs | 2069 | | LFK
| Izvalta | 1997 | Audio | |
| 8 | | Zynu, zynu tāva sātu | Antoņina Logina
| Video collection | 5000 | | LFK
| Baļtinova | 1988 | Video | |
| 9 | | Zynu, zynu tāva sātu | | Video collection | 5000 | | LFK
| | 1996 | Video | |
| 10 | | Zynu, zynu tāva sātu | | Video collection | 5000 | | LFK
| | 1997 | Video | |
| 11 | | Zynu, zynu tāva sātu | Emerita Žabare
Ņina Baikova
Zinaida Aleksāne
Lilija Bruže
Valentīna Romanovska
Aleksejs Barsovs
Leonora Serdāne
Emerita Prancāne
Vitālija Logina
Terēzija Vancāne
| Recordings of Ethnographic ensembles | 2235 | a233 | LFK
| Akas laukums 1, Upīte | 2017 | Audio | |
| 12 | | Zynu, zynu tāva sāta, navajaga ruodietuoj' | | | | | LFK | | 1997 | Audio | |
| 13 | | Zylu, zaļu gabaleņu | | Video collection | 5000 | | LFK
| Auleja | 1998 | Video | |
| 14 | | Zyla, zaļa leidaciņa | | Video collection | 5000 | | LFK
| Viļaka | 1993 | Video | |
| 15 | | Zvīdzi, zvīdzi, siermais zyrgs(i) (1958) | Broņislava Dundare
| 12th scientific expedition in Ludza, Abrene and Kārsava districts | 1940 | 1940, 5864 | LFK
| | 1958 | Audio | |
| 16 | | Zvirbuli, zvirbuli, kad ņemsi sievu | Ieva Brauna
| | | | LFK | Saldus | 1964 | Audio | |
| 17 | | Life story of Žvingulis | Žvingulis
| Collection of Dainis Grīnvaldis: interviews of the movie "Riflemen constellation" directed by Juris Podnieks | 20 | 1460A | NMV
| | | Audio | |
| 18 | | Zvierbuli, zvierbuli (1927) | Zoļa Valaine
| Materials processed by Arturs Salaks | 170 | 392 | LFK
| Kapiņi | 1927 | Audio | |
| 19 | | Zviedzi, zviedzi, sirmais zirdziņ | Kārlis Uļskis
| Video collection | 5000 | | LFK
| Madona | 1988 | Video | |
| 20 | | Zviedz, zviedz, zviedz, zviedz | Augusts Lācis
| Collection of Vilis Bendorfs | 1988 | 1988, 92 | LFK
| Jūrkalne | 1970 | Audio | |