Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 99 | 369 |
| akust. | Akustyka / Audiology | 1 | 173 |
| anat. | Anatomia / Human Anatomy | 267 | 443 |
| arch. | Architektura / Architecture | 123 | 418 |
| archeo. | Archeologia / Archaeology | 34 | 321 |
| astron. | Astronomia / Astronomy | 95 | 515 |
| astronau. | Astronautyka / Astronautics | 28 | 273 |
| bank. | Bankowość / Finance | 315 | 524 |
| bibl. | Biblijny / Biblical | 30 | 334 |
| biblio. | Bibliotekoznawstwo / Library Science | 2 | 163 |
| biochem. | Biochemia / Biochemistry | 11 | 275 |
| biol. | Biologia / Biology | 135 | 577 |
| biotech. | Biotechnologia / Biotechnology | 1 | 243 |
| bot. | Botanika / Botany, Plants | 491 | 358 |
| bud. | Budownictwo / Construction | 71 | 293 |
| chem. | Chemia / Chemistry | 312 | 470 |
| dent. | Dentystyka / Dental Medicine | 27 | 117 |
| druk. | Drukarstwo / Print, Typography, Layout | 28 | 245 |
| dzienn. | Dziennikarstwo / Journalism | 66 | 386 |
| eduk. | Edukacja / Education | 130 | 1080 |
| ekol. | Ekologia / Ecology, Environment | 57 | 634 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 17 | 611 |
| enol. | Enologia / Oenology | 24 | 116 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 81 | 91 |
| etno. | Etnologia / Ethnology | 232 | 240 |
| ezot. | Ezoteryka / Esotericism | 6 | 210 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 56 | 727 |
| farm. | Farmacja / Pharmacy | 67 | 247 |
| film | Film / Film | 120 | 1173 |
| fiz. | Fizyka / Physics | 150 | 690 |
| fonet. | Fonetyka / Phonetics | 1 | 346 |
| foto. | Fotografia / Photography | 58 | 736 |
| gastr. | Gastronomia / Gastronomy, Cooking | 605 | 581 |
| geogr. | Geografia / Geography | 770 | 734 |
| geol. | Geologia / Geology | 89 | 252 |
| górn. | Górnictwo / Mining & Drilling | 32 | 96 |
| gospod. | Gospodarka / Economy | 92 | 818 |
| gramat. | Gramatyka / Linguistics | 106 | 1217 |
| gry | Gry / Games | 50 | 767 |
| handel | Handel / Commerce | 388 | 501 |
| herald. | Heraldyka / Heraldry | 6 | 89 |
| hist. | Historia / History | 183 | 1146 |
| idiom | Idiom / Idiom | 114 | 717 |
| inform. | Informatyka / Computer Sciences | 257 | 1409 |
| internet | Internet / Internet | 74 | 1270 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 1 | 217 |
| inży. | Inżynieria / Engineering | 4 | 819 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 123 |
| kolej | Kolej / Rail | 44 | 190 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 22 | 236 |
| leśn. | Leśnictwo / Forestry | 19 | 145 |
| lit. | Literatura / Literature | 91 | 1077 |
| lot. | Lotnictwo / Aviation | 188 | 411 |
| łowiect. | Łowiectwo / Hunting | 5 | 111 |
| mat. | Matematyka / Mathematics | 202 | 688 |
| mebel | Meble / Furniture | 32 | 204 |
| med. | Medycyna / Medicine | 982 | 720 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 7 | 148 |
| meteo. | Meteorologia / Meteorology | 150 | 194 |
| mineral. | Mineralogia / Mineralogy | 7 | 129 |
| mitol. | Mitologia / Mythology | 218 | 447 |
| mot. | Motoryzacja / Automotive Engineering | 160 | 438 |
| muz. | Muzyka / Music | 233 | 1548 |
| mykol | Mykologia / Mycology | 14 | 93 |
| narko. | Narkotyk / Drugs | 13 | 226 |
| narzęd. | Narzędzia / Tools | 102 | 412 |
| nauka | Nauka / Academic Disciplines | 87 | 1384 |
| naut. | Nautyka / Nautical Science | 306 | 191 |
| neol. | Neologizm / Neologisms | 1 | 197 |
| nieruch. | Nieruchomość / Real Estate | 14 | 211 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 3 | 148 |
| odzież | Odzież a moda / Clothing, Fashion | 236 | 399 |
| ogro. | Ogrodnictwo / Horticulture | 26 | 220 |
| onom. | Onomastyka / Names of Persons | 4 | 176 |
| optyka | Optyka / Optics | 27 | 141 |
| philos. | Filozofia / Philosophy | 41 | 816 |
| piwo | Piwowarstwo / Brewing | 15 | 144 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 609 |
| pol. | Polityka / Politics | 438 | 845 |
| prawo | Prawo / Law | 566 | 526 |
| przem | Przemysł / Industry | 7 | 438 |
| przysł. | Przysłowie / Proverb | 42 | 549 |
| psych. | Psychologia / Psychology | 16 | 803 |
| ptak | Ptak / Ornithology | 443 | 117 |
| rach. | Rachunkowość / Accounting | 12 | 369 |
| relig. | Religia / Religion | 576 | 605 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 156 | 247 |
| rower | Rower / Bicycle | 13 | 440 |
| ruch | Ruch drogowy / Traffic | 33 | 275 |
| ryba | Ryba / Ichthyology, fish, fishing | 52 | 96 |
| socjol. | Socjologia / Sociology | 162 | 479 |
| sport | Sport / Sports | 327 | 858 |
| stat. | Statystyka / Statistics | 5 | 284 |
| sztuka | Sztuka / Art | 51 | 1067 |
| taniec | Taniec / Dance | 36 | 349 |
| teatr | Teatr / Theatre | 61 | 448 |
| tech. | Technika / Technology | 405 | 1076 |
| textil. | Textilia / Textiles, Textile Industry | 21 | 138 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 285 |
| turys. | Turystyka / Travel Industry | 17 | 472 |
| TV | Telewizja i Radio / Radio and Television | 41 | 493 |
| ubez. | Ubezpieczenia / Insurance | 4 | 142 |
| UE | Unia europejska / European Union | 21 | 583 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 233 |
| uzbr. | Uzbrojenie / Weapons | 71 | 339 |
| waluta | Waluta / Currencies | 21 | 222 |
| woj. | Wojsko / Military | 456 | 350 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 368 |
| zabaw. | Zabawki / Toys | 34 | 188 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 719 | 512 |
| zbroja | Zbroja / Historic Armour | 3 | 112 |
| zegary | Zegary / Watches, Clocks | 23 | 177 |
| zool. | Zoologia / Zoology, Animals | 633 | 593 |
