The symbol after the name of the unit refers to its digitization.
a. Nógrád County: (HSZE-LG-SZ-7-a)
- Letter of Jenőné Berki and Éva Berki (Salgótarján) (1981) (1 letter and 2 envelopes from Jenőné Berki and 1 letter, 1 envelope from Éva Berki)
- Letter of Ferencné Botos (Salgótarján-Boglyasalja) (1982) (1 letter, 1 envelope)
- Letter of Béláné Oláh (Salgótarján-Eresztvény) (no date) (1 letter, 2 pages, 1 envelope)
- Letter of Lászlóné Oláh (Lucfalva) (March – April 1980) (1 letter on notepaper, 1 typewritten letter and 2 envelopes)
- Letter of Oláh Nádorné (Szilaspogony) (1980-1981 körül) (3 letter, három envelope)
- Letter of Rácz Piroska (Istenmezeje) (1980 körül) (3 letter, 2 envelope, 1 postcard)
- Letter of Balázs Attiláné (Sóshartyán) (1982) (1 letter, 1 envelope, 1 postcard)
- Letter of Boda Tiborné (Nagylóc) (1981) (1 letter, 1 envelope)
- Letter of Mihályné Raák (Szécsény) – the first letter to Gabriella Lengyel addressed to the Ministry of Employment, the others to her home address. (1981-1983) (11 letters, 17 sheets, 9 envelopes)
- Letter of Józsefné Bangó (Szécsény / Nógrádmegyer) – the first letter to Gabriella Lengyel addressed to the Ministry of Employment, sent from Nógrádmegyer, the others to her home address. (1981-1983) (13 letters, 17 sheets, 9 envelopes, 1 postcard, 1 telegraph with an envelope)
- Letter of József Oláh and Józsefné Oláh (Magyargéc) (1980-1982) (10 letters, 8 envelopes, 1 postcard) (the same as the case with the code LG1)
- Attachments of the letters of József Oláh and Józsefné Oláh (Magyargéc): Engineering description to the licensing plan of the house of the above people (June 1st, 1980. (1 sheet); Licensing plan of the house (1 large blueprint (both signed by Lajos Koszorú); Building permission (July 30th, 1981.) (1 sheet, 2 pages) (the blueprint is not copied) (a tervrajz nincs másolva)
- Letter of Rácz Béláné (Magyargéc) (1980-1982) (3 letters, 3 envelopes)
- Letter of Gusztávné Rácz (Magyargéc) (November 1981.) (1 letter, 1 envelope)
- Letter of Tiborné Rácz (Magyargéc) (November 1981.) (1 letter, 1 envelope)
- Letter of Istvánné Rácz (Magyargéc) (1981) (1 letter, 1 envelope and a telegraph containing the rejection of the claim by the Central Administration of the National Pension Insurance)
- Letter of Gézáné Oláh (Nógrádmegyer) (undated) (1 short letter, 1 envelope)
- Letter of Zoltánné Rácz (Nógrádmegyer) (1982) (7 letters, 6 envelopes, 4 postcards)
- Letter of Andrásné Rácz (Nógrádmegyer) (1980) (1 letter, 1 envelope)
- Letter of Józsefné Görcsi (Nógrádmegyer) (undated) (1 letter, 1 envelope)
- Letter of Jánosné Bangó (Nógrádmegyer) (1980) (1 letter, 2 envelopes, 2 postcards)
- Letter of Andor Bangó (Nógrádmegyer) (undated) (1 short letter, 1 envelope)
- Letter of Vilmosné Mezei (Nógrádmegyer) (1980-1981) (3 letters, 2 envelopes, 1 postcard)
- Letter of Ferencné Rácz and Ferenc Rácz (Nógrádmegyer) – the letter written by Géza Rácz (1980) (1 letter, 1 envelope)
- Letter of Géza Rácz (Nógrádmegyer) – The letters were dictated by Gergely and Mária to Géza Rácz (1980) (2 letters, 1 envelope)
- Letter of 3 unidentified people (Marianna, Kati and Norbi)
- 1 telegraph from Aranka Bangó (Nógrádmegyer) to Gabriella Lengyel
- 1 envelope from Nógrád county, with no return address
b. Letters from other regions of Hungary: (HSZE-LG-SZ-7-b)
- Letter of Dénes Papp (Szelevény) (June 1982.) (2 letters, 3 sheets, 1 envelope)
- Letter of Péter Sebők and Elek Balogh (Kántorjánosi) (July 1980.) (1 letter, 1 envelope)
- Letter of Józsefné Pirgl – addressed to the Department of Social Policy of the Ministry of Employment. (Budapest-Mátyás tér) (July 1979. – January 1981.) (2 letters)
- Letter of Irénné Komjáti (Adács) (1983) (1 letter, 1 envelope)
- Letter of Andrásné Kovács (Uszka) (1983) (1 letter, 2 envelopes)
- Letter of Gézáné Tóth Dankó (Piliscsaba-Jászfalu) (October 20th, 1982. (1 letter, 1 envelope)