• Items (133,037)
• Collections (2,810)
• Trails (289)
• Stories (537)

Arts and Culture

• Carnivals (2,666)
• Choirs (721)
• Crafts (1,455)
• Eisteddfodau (525)
• Legends, tales & myths (219)
• Music (2,196)
• Operas (126)
• Theatre and performing arts (829)
• OTHER: Arts + Culture (4,360)

Biology

• Animals (155)
• Birds (462)
• Bones (30)
• Eggs (25)
• Flowering Plants (215)
• Fungi/Lichens/Algae (118)
• Insects (62)
• Marine Invertebrates (77)
• Non-flowering Plants (44)
• Shells (22)
• OTHER: Biology (101)

Community and social

• Agricultural societies (496)
• Clothing and accessories (1,828)
• Criminal System (620)
• Events (3,360)
• Fairs (673)
• Food & Drink (1,364)
• Health (1,077)
• Houses and Homes (8,039)
• Markets (288)
• People and Family (6,003)
• Schools / Education (2,420)
• Shops (558)
• Societies and clubs (5,787)
• OTHER: Community and Social (4,926)

Geology

• Fossils (73)
• Maps (1,249)
• Minerals (68)
• Rocks (142)
• OTHER: Geology (118)

Industry and Commerce

• Banks / Economy / Finance (394)
• Coal (1,999)
• Communication and media (1,301)
• Food Industry (867)
• Industrial Disasters (218)
• Iron (455)
• Mining (Other) (347)
• Pottery (34)
• Retail / Trade (330)
• Slate & Lead (583)
• Steel (204)
• Tin (73)
• Trains and Railways (1,103)
• Transport (1,699)
• Waterways and Shipping (3,397)
• OTHER: Industry (2,302)
• Wool (54)

Nature Represented

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

Physical Environment

• Agricultural machinery and implements (891)
• Castles and Fortifications (284)
• Churches, Chapels & other places of worship (804)
• Cities, towns & villages (3,929)
• Farms and smallholdings (2,466)
• Forests/Forestry (327)
• Islands (606)
• Landscape views (1,655)
• Mountains/hills (343)
• Natural disasters (92)
• Parks and gardens (1,023)
• Pubs and Clubs (184)
• Rivers, Lakes and Dams (410)
• Seaside/Sea (659)
• Sites, Monuments & Structures (4,328)
• OTHER: Physical Environment (1,871)

Religion and Belief

• Christianity (1,218)
• Customs and practices (3,844)
• Nonconformist denominations (979)
• Pre Christian Wales (908)
• Religious buildings (4,260)
• Religious communities (1,715)
• Roman Catholicism (59)
• Societies and sects (211)
• World Faiths (971)
• OTHER: Religion and Beliefs (1,345)

Sport and Leisure

• Clubs and societies (2,422)
• Fishing (652)
• Football (1,571)
• Holidays and resorts (491)
• Places of entertainment (481)
• Processions and public events (1,017)
• Social groups (1,855)
• Sports and games (1,808)
• Rugby (265)
• OTHER: Sport and leisure (2,560)

War, protest and politics

• Civil and political rights (567)
• Elections and electioneering (220)
• First World War (1914-18) (5,061)
• Political parties (293)
• Second World War (1939-45) (700)
• Societies and pressure groups (356)
• Soldiers (2,705)
• Trade unionism & labour disputes (162)
• Warfare (3,551)
• OTHER: War, Protest and Politics (646)

21st century

• 2000s (11,113)
• 2010s (7,544)
• 2020s (70)

20th century

• 1900s (1,258)
• 1910s (3,923)
• 1920s (1,626)
• 1930s (2,870)
• 1940s (1,707)
• 1950s (4,763)
• 1960s (3,563)
• 1970s (2,445)
• 1980s (2,379)
• 1990s (3,054)

19th century

• 1800s (642)
• 1810s (436)
• 1820s (551)
• 1830s (880)
• 1840s (1,564)
• 1850s (649)
• 1860s (714)
• 1870s (907)
• 1880s (646)
• 1890s (607)

18th century

• 1700-1799 (590)

Archaeological Periods

• Early Modern (1536 to 1699) (363)
• Middle Ages (1086 to 1536) (2,689)
• Early Medieval(410 to 1086) (263)
• 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)