• Items (132,127)
• Collections (2,774)
• Trails (289)
• Stories (533)

Arts and Culture

• Carnivals (2,662)
• Choirs (717)
• Crafts (1,450)
• Eisteddfodau (524)
• Legends, tales & myths (219)
• Music (2,186)
• Operas (126)
• Theatre and performing arts (827)
• OTHER: Arts + Culture (4,327)

Biology

• Animals (122)
• Birds (462)
• Bones (30)
• Eggs (24)
• Flowering Plants (215)
• Fungi/Lichens/Algae (118)
• Insects (62)
• Marine Invertebrates (44)
• Non-flowering Plants (44)
• Shells (18)
• OTHER: Biology (74)

Community and social

• Agricultural societies (493)
• Clothing and accessories (1,820)
• Criminal System (615)
• Events (3,346)
• Fairs (672)
• Food & Drink (1,361)
• Health (1,073)
• Houses and Homes (8,014)
• Markets (286)
• People and Family (5,875)
• Schools / Education (2,410)
• Shops (533)
• Societies and clubs (5,737)
• OTHER: Community and Social (4,906)

Geology

• Fossils (73)
• Maps (1,249)
• Minerals (68)
• Rocks (115)
• OTHER: Geology (118)

Industry and Commerce

• Banks / Economy / Finance (394)
• Coal (1,997)
• Communication and media (1,300)
• Food Industry (862)
• Industrial Disasters (218)
• Iron (454)
• Mining (Other) (347)
• Pottery (34)
• Retail / Trade (325)
• Slate & Lead (582)
• Steel (204)
• Tin (73)
• Trains and Railways (1,101)
• Transport (1,693)
• Waterways and Shipping (3,394)
• OTHER: Industry (2,293)
• Wool (33)

Nature Represented

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

Physical Environment

• Agricultural machinery and implements (888)
• Castles and Fortifications (283)
• Churches, Chapels & other places of worship (802)
• Cities, towns & villages (3,908)
• Farms and smallholdings (2,456)
• Forests/Forestry (325)
• Islands (605)
• Landscape views (1,652)
• Mountains/hills (341)
• Natural disasters (92)
• Parks and gardens (1,023)
• Pubs and Clubs (182)
• Rivers, Lakes and Dams (408)
• Seaside/Sea (622)
• Sites, Monuments & Structures (4,324)
• OTHER: Physical Environment (1,870)

Religion and Belief

• Christianity (1,209)
• Customs and practices (3,840)
• Nonconformist denominations (966)
• Pre Christian Wales (908)
• Religious buildings (4,249)
• Religious communities (1,712)
• Roman Catholicism (59)
• Societies and sects (210)
• World Faiths (968)
• OTHER: Religion and Beliefs (1,338)

Sport and Leisure

• Clubs and societies (2,383)
• Fishing (652)
• Football (1,569)
• Holidays and resorts (491)
• Places of entertainment (475)
• Processions and public events (1,013)
• Social groups (1,850)
• Sports and games (1,808)
• Rugby (265)
• OTHER: Sport and leisure (2,525)

War, protest and politics

• Civil and political rights (565)
• Elections and electioneering (218)
• First World War (1914-18) (5,059)
• Political parties (290)
• Second World War (1939-45) (694)
• Societies and pressure groups (353)
• Soldiers (2,704)
• Trade unionism & labour disputes (162)
• Warfare (3,547)
• OTHER: War, Protest and Politics (642)

21st century

• 2000s (11,112)
• 2010s (7,536)
• 2020s (9)

20th century

• 1900s (1,252)
• 1910s (3,916)
• 1920s (1,614)
• 1930s (2,844)
• 1940s (1,689)
• 1950s (4,742)
• 1960s (3,547)
• 1970s (2,442)
• 1980s (2,374)
• 1990s (3,008)

19th century

• 1800s (641)
• 1810s (430)
• 1820s (548)
• 1830s (875)
• 1840s (1,557)
• 1850s (643)
• 1860s (707)
• 1870s (901)
• 1880s (640)
• 1890s (602)

18th century

• 1700-1799 (559)

Archaeological Periods

• Early Modern (1536 to 1699) (363)
• Middle Ages (1086 to 1536) (2,689)
• Early Medieval(410 to 1086) (262)
• Roman (43 to 410) (609)
• Iron Age (-700 to 43) (1,212)
• Bronze Age (-2200 to -700) (489)
• Neolithic (-4400 to -2200) (180)
• 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)