• Items (135,447)
• Collections (2,797)
• Trails (289)
• Stories (543)

Arts and Culture

• Carnivals (2,667)
• Choirs (729)
• Crafts (1,481)
• Eisteddfodau (628)
• Legends, tales & myths (225)
• Music (2,210)
• Operas (126)
• Theatre and performing arts (844)
• OTHER: Arts + Culture (4,627)

Biology

• Animals (183)
• Birds (483)
• Bones (31)
• Eggs (31)
• Flowering Plants (218)
• Fungi/Lichens/Algae (118)
• Insects (63)
• Marine Invertebrates (95)
• Non-flowering Plants (44)
• Shells (28)
• OTHER: Biology (136)

Community and social

• Agricultural societies (513)
• Clothing and accessories (1,859)
• Criminal System (761)
• Events (3,537)
• Fairs (672)
• Food & Drink (1,401)
• Health (1,225)
• Houses and Homes (8,135)
• Markets (293)
• People and Family (6,540)
• Schools / Education (2,623)
• Shops (700)
• Societies and clubs (6,046)
• OTHER: Community and Social (5,208)

Geology

• Fossils (74)
• Maps (1,249)
• Minerals (70)
• Rocks (144)
• OTHER: Geology (223)

Industry and Commerce

• Banks / Economy / Finance (403)
• Coal (2,008)
• Communication and media (1,488)
• Food Industry (875)
• Industrial Disasters (327)
• Iron (465)
• Mining (Other) (455)
• Pottery (38)
• Retail / Trade (350)
• Slate & Lead (596)
• Steel (205)
• Tin (73)
• Trains and Railways (1,118)
• Transport (1,711)
• Waterways and Shipping (3,399)
• OTHER: Industry (2,398)
• Wool (55)

Nature Represented

• Scientific Illustrations (226)
• Scientific Models (15)

Physical Environment

• Agricultural machinery and implements (892)
• Castles and Fortifications (291)
• Churches, Chapels & other places of worship (848)
• Cities, towns & villages (4,175)
• Farms and smallholdings (2,511)
• Forests/Forestry (333)
• Islands (621)
• Landscape views (1,674)
• Mountains/hills (350)
• Natural disasters (100)
• Parks and gardens (1,063)
• Pubs and Clubs (190)
• Rivers, Lakes and Dams (427)
• Seaside/Sea (739)
• Sites, Monuments & Structures (4,459)
• OTHER: Physical Environment (1,944)

Religion and Belief

• Christianity (1,271)
• Customs and practices (3,850)
• Nonconformist denominations (1,070)
• Pre Christian Wales (925)
• Religious buildings (4,292)
• Religious communities (1,750)
• Roman Catholicism (61)
• Societies and sects (210)
• World Faiths (982)
• OTHER: Religion and Beliefs (1,550)

Sport and Leisure

• Clubs and societies (2,566)
• Fishing (655)
• Football (1,573)
• Holidays and resorts (532)
• Places of entertainment (494)
• Processions and public events (1,008)
• Social groups (1,876)
• Sports and games (1,826)
• Rugby (268)
• OTHER: Sport and leisure (2,597)

War, protest and politics

• Civil and political rights (782)
• Elections and electioneering (226)
• First World War (1914-18) (5,107)
• Political parties (298)
• Second World War (1939-45) (779)
• Societies and pressure groups (573)
• Soldiers (2,994)
• Trade unionism & labour disputes (357)
• Warfare (3,813)
• OTHER: War, Protest and Politics (899)

21st century

• 2000s (11,435)
• 2010s (7,672)
• 2020s (584)

20th century

• 1900s (1,367)
• 1910s (3,995)
• 1920s (1,749)
• 1930s (2,978)
• 1940s (1,861)
• 1950s (4,859)
• 1960s (3,745)
• 1970s (2,535)
• 1980s (2,516)
• 1990s (3,205)

19th century

• 1800s (691)
• 1810s (467)
• 1820s (580)
• 1830s (937)
• 1840s (1,575)
• 1850s (671)
• 1860s (739)
• 1870s (930)
• 1880s (672)
• 1890s (643)

18th century

• 1700-1799 (611)

Archaeological Periods

• Early Modern (1536 to 1699) (368)
• Middle Ages (1086 to 1536) (2,695)
• Early Medieval(410 to 1086) (266)
• Roman (43 to 410) (646)
• Iron Age (-700 to 43) (1,213)
• Bronze Age (-2200 to -700) (493)
• Neolithic (-4400 to -2200) (183)
• Mesolithic (-8500 to -4400) (66)
• Palaeolithic (-250000 to -8500) (5)

Geological Periods

• Quaternary (2.6 mya to present day) (1)
• Pre-Quaternary (2.6 mya and earlier) (29)