Datasets:
id string | title string | author string | translators list | language string | epochs list | genres list | kinds list | text string | char_count int64 | word_count int64 | url string | txt_url string | has_audio bool |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20-000-mil-podmorskiej-zeglugi | 20 000 mil podmorskiej żeglugi | Jules Gabriel Verne | [
"tłumacz nieznany"
] | pol | [
"Pozytywizm"
] | [
"powieść przygodowa"
] | [
"Epika"
] | "Jules Verne\r\n\r\n20 000 mil podmorskiej żeglugi\r\ntłum. tłumacz nieznany\r\n\r\nISBN 978-[PHO(...TRUNCATED) | 782,424 | 114,306 | https://wolnelektury.pl/katalog/lektura/20-000-mil-podmorskiej-zeglugi/ | https://wolnelektury.pl/media/book/txt/20-000-mil-podmorskiej-zeglugi.txt | true |
abuzei-i-tair | Abuzei i Tair | Ignacy Krasicki | [] | pol | [
"Oświecenie"
] | [
"Bajka",
"Przypowieść"
] | [
"Epika"
] | "Ignacy Krasicki\r\n\r\nBajki i przypowieści\r\nAbuzei i Tair\r\n\r\n\r\n\r\n«Winszuj, ojcze — r(...TRUNCATED) | 1,965 | 237 | https://wolnelektury.pl/katalog/lektura/abuzei-i-tair/ | https://wolnelektury.pl/media/book/txt/abuzei-i-tair.txt | true |
ach-rzucic-sieci-zdarte | [Ach! rzucić sieci zdarte...] | Tristan Derème | [
"Stefan Napierski"
] | pol | [
"Modernizm"
] | [
"Wiersz"
] | [
"Liryka"
] | "Tristan Derème\r\n\r\n[Ach! rzucić sieci zdarte…]\r\ntłum. Stefan Napierski\r\n\r\n\r\n\r\nAch(...TRUNCATED) | 2,150 | 261 | https://wolnelektury.pl/katalog/lektura/ach-rzucic-sieci-zdarte/ | https://wolnelektury.pl/media/book/txt/ach-rzucic-sieci-zdarte.txt | false |
a-co-wam-spiewac | A co wam śpiewać | Maria Konopnicka | [] | pol | [
"Pozytywizm"
] | [
"Wiersz"
] | [
"Liryka"
] | "Maria Konopnicka\r\n\r\nA co wam śpiewać\r\n\r\n\r\n\r\nA co wam śpiewać, laleczki?\r\nBo umiem(...TRUNCATED) | 2,947 | 394 | https://wolnelektury.pl/katalog/lektura/a-co-wam-spiewac/ | https://wolnelektury.pl/media/book/txt/a-co-wam-spiewac.txt | false |
a-coz-z-ta-dziecina | A cóż z tą Dzieciną... | Autor nieznany | [] | pol | [
"nie dotyczy"
] | [
"Pieśń"
] | [
"Liryka"
] | "A cóż z tą Dzieciną…\r\n\r\n\r\n\r\nA cóż z tą Dzieciną będziem czynili,\r\nPastuszkowie(...TRUNCATED) | 3,168 | 443 | https://wolnelektury.pl/katalog/lektura/a-coz-z-ta-dziecina/ | https://wolnelektury.pl/media/book/txt/a-coz-z-ta-dziecina.txt | false |
adam-asnyk-sylwetka-literacka | Adam Asnyk. Sylwetka literacka | Jan Sten | [] | pol | [
"Modernizm"
] | [
"Esej"
] | [
"Epika"
] | "Jan Sten\r\n\r\nAdam Asnyk. Sylwetka literacka\r\n\r\nISBN 978-[PHONE]-3\r\n\r\n\r\nAdamowi Asnykow(...TRUNCATED) | 18,357 | 2,621 | https://wolnelektury.pl/katalog/lektura/adam-asnyk-sylwetka-literacka/ | https://wolnelektury.pl/media/book/txt/adam-asnyk-sylwetka-literacka.txt | false |
adas | Adaś | Stanisław Jachowicz | [] | pol | [
"Romantyzm"
] | [
"Bajka"
] | [
"Epika"
] | "Stanisław Jachowicz\r\n\r\nBajki i powiastki\r\nAdaś\r\n\r\n\r\n\r\n«Zegnij to małe drzewko!» (...TRUNCATED) | 2,438 | 312 | https://wolnelektury.pl/katalog/lektura/adas/ | https://wolnelektury.pl/media/book/txt/adas.txt | false |
ad-dellium | Pieśń II, 3 (Aequam memento rebus in arduis...) | Horacy | [
"Adam Asnyk"
] | pol | [
"Starożytność"
] | [
"Wiersz"
] | [
"Liryka"
] | "Horacy\r\n\r\nPieśń II, 3 (Aequam memento rebus in arduis…)\r\nAd Dellium\r\ntłum. Adam Asnyk\(...TRUNCATED) | 2,659 | 339 | https://wolnelektury.pl/katalog/lektura/ad-dellium/ | https://wolnelektury.pl/media/book/txt/ad-dellium.txt | true |
adelka | Adelka | Stanisław Jachowicz | [] | pol | [
"Romantyzm"
] | [
"Bajka"
] | [
"Epika"
] | "Stanisław Jachowicz\r\n\r\nBajki i powiastki\r\nAdelka\r\n\r\n\r\n\r\nAdelciu! twa imienniczka\r\n(...TRUNCATED) | 1,871 | 221 | https://wolnelektury.pl/katalog/lektura/adelka/ | https://wolnelektury.pl/media/book/txt/adelka.txt | false |
ad-venerem | Pieśń I, 30 (O Venus regina Cnidi Paphique...) | Horacy | [
"Adam Asnyk"
] | pol | [
"Starożytność"
] | [
"Wiersz"
] | [
"Liryka"
] | "Horacy\r\n\r\nPieśń I, 30 (O Venus regina Cnidi Paphique…)\r\nAd Venerem\r\ntłum. Adam Asnyk\r(...TRUNCATED) | 1,958 | 244 | https://wolnelektury.pl/katalog/lektura/ad-venerem/ | https://wolnelektury.pl/media/book/txt/ad-venerem.txt | true |
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Wolne Lektury Polish Literature Corpus
Dataset Description
A comprehensive corpus of Polish literary works from Wolne Lektury — a free digital library of public domain literature. All texts are in the public domain.
The corpus was collected via the official REST API (https://wolnelektury.pl/api/), including full text of each work, metadata (author, epoch, genre, kind), and language information.
Statistics
| Metric | Value |
|---|---|
| Records | 7,316 |
| Authors | 572 |
| Total characters | 319,880,903 |
| Total words | 48,164,947 |
| Estimated tokens (~1.3x words) | 62,614,431 |
| Languages | Polish (7,094), Lithuanian (79), German (54), English (47), French (27), Ukrainian (12), Hebrew (3) |
Literary Coverage
- Epochs: Współczesność (2,507), Modernizm (1,190), Romantyzm (1,026), Dwudziestolecie międzywojenne (943), Pozytywizm (792), Renesans (495), Oświecenie (295), Barok (163), Starożytność (134), Średniowiecze (14)
- Kinds: Liryka (5,043), Epika (1,939), Dramat (336)
- Top genres: Wiersz (4,121), Bajka (417), Opowiadanie (393), Fraszka (316), Nowela (228), Powieść (198), Przypowieść (197), Pieśń (177), Dramat współczesny (173), Baśń (98)
- Top authors: Jan Kochanowski (453), Bolesław Leśmian (266), Maria Konopnicka (254), Ignacy Krasicki (223), K.I. Gałczyński (195), K.K. Baczyński (194), Stanisław Jachowicz (158), Adam Mickiewicz (149)
Fields
| Field | Type | Description |
|---|---|---|
id |
string | Slug identifier |
text |
string | Full text of the work |
title |
string | Title |
author |
string | Author(s), comma-separated |
translators |
list[string] | Translator(s) |
language |
string | Language code (pol, lit, ger, eng, fre, ukr, heb) |
epochs |
list[string] | Literary epoch(s) |
genres |
list[string] | Genre(s) |
kinds |
list[string] | Literary kind (Epika/Liryka/Dramat) |
char_count |
int | Character count |
word_count |
int | Word count |
url |
string | URL on wolnelektury.pl |
has_audio |
bool | Has audiobook available |
Processing Pipeline
- Scraping: Fetched book list from
GET /api/books/(7,630 books listed) - Metadata + text: For each book, fetched
GET /api/books/{slug}/for metadata and downloaded full text fromtxtURL - Deduplication: By ID and by text content (SHA256 hash of normalized text)
- PII redaction: Phone numbers, emails, and PESEL numbers replaced with
[PHONE],[EMAIL],[PESEL]placeholders (1,435 records affected) - Short text filtering: Texts with <10 words removed (0 removed — all texts are substantial)
- Decontamination: N-gram overlap check against LLMzSzŁ, PoQuAD, and PES benchmark corpora — 0 contaminated records
Quality Assessment
- PII scan (post-redaction): Clean — 0 emails, 0 phones, 0 PESEL
- Decontamination: Clean — 0 contaminated records
- Verdict: Promising, ready for further evaluation
License
All works are in the Public Domain. The dataset compilation is also freely usable.
Source
- Website: https://wolnelektury.pl
- API: https://wolnelektury.pl/api/
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