• Items (134,825)
• Collections (2,775)
• Trails (289)
• Stories (542)

Arts and Culture

• Carnivals (2,667)
• Choirs (726)
• Crafts (1,463)
• Eisteddfodau (610)
• Legends, tales & myths (224)
• Music (2,208)
• Operas (126)
• Theatre and performing arts (841)
• OTHER: Arts + Culture (4,471)

Biology

• Animals (162)
• Birds (472)
• Bones (31)
• Eggs (31)
• Flowering Plants (218)
• Fungi/Lichens/Algae (118)
• Insects (63)
• Marine Invertebrates (84)
• Non-flowering Plants (44)
• Shells (24)
• OTHER: Biology (115)

Community and social

• Agricultural societies (508)
• Clothing and accessories (1,847)
• Criminal System (670)
• Events (3,428)
• Fairs (671)
• Food & Drink (1,394)
• Health (1,123)
• Houses and Homes (8,077)
• Markets (292)
• People and Family (6,374)
• Schools / Education (2,489)
• Shops (678)
• Societies and clubs (5,857)
• OTHER: Community and Social (5,028)

Geology

• Fossils (74)
• Maps (1,249)
• Minerals (69)
• Rocks (144)
• OTHER: Geology (121)

Industry and Commerce

• Banks / Economy / Finance (400)
• Coal (2,003)
• Communication and media (1,330)
• Food Industry (876)
• Industrial Disasters (219)
• Iron (455)
• Mining (Other) (349)
• Pottery (35)
• Retail / Trade (336)
• Slate & Lead (596)
• Steel (205)
• Tin (73)
• Trains and Railways (1,115)
• Transport (1,707)
• Waterways and Shipping (3,398)
• OTHER: Industry (2,378)
• Wool (56)

Nature Represented

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

Physical Environment

• Agricultural machinery and implements (890)
• Castles and Fortifications (290)
• Churches, Chapels & other places of worship (844)
• Cities, towns & villages (4,060)
• Farms and smallholdings (2,495)
• Forests/Forestry (328)
• Islands (621)
• Landscape views (1,662)
• Mountains/hills (345)
• Natural disasters (100)
• Parks and gardens (1,037)
• Pubs and Clubs (190)
• Rivers, Lakes and Dams (416)
• Seaside/Sea (710)
• Sites, Monuments & Structures (4,339)
• OTHER: Physical Environment (1,900)

Religion and Belief

• Christianity (1,259)
• Customs and practices (3,848)
• Nonconformist denominations (1,060)
• Pre Christian Wales (909)
• Religious buildings (4,289)
• Religious communities (1,747)
• Roman Catholicism (60)
• Societies and sects (210)
• World Faiths (981)
• OTHER: Religion and Beliefs (1,392)

Sport and Leisure

• Clubs and societies (2,454)
• Fishing (653)
• Football (1,573)
• Holidays and resorts (532)
• Places of entertainment (490)
• Processions and public events (1,006)
• Social groups (1,867)
• Sports and games (1,825)
• Rugby (267)
• OTHER: Sport and leisure (2,581)

War, protest and politics

• Civil and political rights (620)
• Elections and electioneering (222)
• First World War (1914-18) (5,091)
• Political parties (294)
• Second World War (1939-45) (765)
• Societies and pressure groups (410)
• Soldiers (2,833)
• Trade unionism & labour disputes (199)
• Warfare (3,647)
• OTHER: War, Protest and Politics (731)

21st century

• 2000s (11,320)
• 2010s (7,625)
• 2020s (409)

20th century

• 1900s (1,336)
• 1910s (3,972)
• 1920s (1,734)
• 1930s (2,954)
• 1940s (1,840)
• 1950s (4,847)
• 1960s (3,714)
• 1970s (2,517)
• 1980s (2,459)
• 1990s (3,118)

19th century

• 1800s (679)
• 1810s (452)
• 1820s (569)
• 1830s (902)
• 1840s (1,574)
• 1850s (668)
• 1860s (738)
• 1870s (925)
• 1880s (666)
• 1890s (637)

18th century

• 1700-1799 (596)

Archaeological Periods

• Early Modern (1536 to 1699) (363)
• Middle Ages (1086 to 1536) (2,690)
• Early Medieval(410 to 1086) (263)
• Roman (43 to 410) (610)
• Iron Age (-700 to 43) (1,213)
• Bronze Age (-2200 to -700) (491)
• Neolithic (-4400 to -2200) (181)
• 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)