• Items (131,592)
• Collections (2,771)
• Trails (289)
• Stories (533)

Arts and Culture

• Carnivals (2,660)
• Choirs (717)
• Crafts (1,450)
• Eisteddfodau (524)
• Legends, tales & myths (219)
• Music (2,185)
• Operas (126)
• Theatre and performing arts (827)
• OTHER: Arts + Culture (4,322)

Biology

• Animals (121)
• 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 (492)
• Clothing and accessories (1,814)
• Criminal System (608)
• Events (3,321)
• Fairs (672)
• Food & Drink (1,359)
• Health (1,068)
• Houses and Homes (7,981)
• Markets (285)
• People and Family (5,776)
• Schools / Education (2,384)
• Shops (518)
• Societies and clubs (5,727)
• OTHER: Community and Social (4,898)

Geology

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

Industry and Commerce

• Banks / Economy / Finance (391)
• Coal (1,995)
• Communication and media (1,299)
• Food Industry (861)
• Industrial Disasters (217)
• Iron (453)
• Mining (Other) (346)
• Pottery (34)
• Retail / Trade (319)
• Slate & Lead (560)
• Steel (204)
• Tin (73)
• Trains and Railways (1,094)
• Transport (1,680)
• Waterways and Shipping (3,366)
• OTHER: Industry (2,292)
• Wool (33)

Nature Represented

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

Physical Environment

• Agricultural machinery and implements (888)
• Castles and Fortifications (277)
• Churches, Chapels & other places of worship (754)
• Cities, towns & villages (3,895)
• Farms and smallholdings (2,451)
• Forests/Forestry (324)
• Islands (604)
• Landscape views (1,642)
• Mountains/hills (341)
• Natural disasters (92)
• Parks and gardens (1,013)
• Pubs and Clubs (173)
• Rivers, Lakes and Dams (406)
• Seaside/Sea (596)
• Sites, Monuments & Structures (4,296)
• OTHER: Physical Environment (1,868)

Religion and Belief

• Christianity (1,182)
• Customs and practices (3,833)
• Nonconformist denominations (966)
• Pre Christian Wales (908)
• Religious buildings (4,218)
• Religious communities (1,710)
• 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 (1,566)
• Holidays and resorts (490)
• Places of entertainment (475)
• Processions and public events (1,010)
• Social groups (1,850)
• Sports and games (1,803)
• Rugby (265)
• OTHER: Sport and leisure (2,524)

War, protest and politics

• Civil and political rights (563)
• Elections and electioneering (218)
• First World War (1914-18) (5,052)
• Political parties (289)
• Second World War (1939-45) (684)
• Societies and pressure groups (353)
• Soldiers (2,704)
• Trade unionism & labour disputes (161)
• Warfare (3,547)
• OTHER: War, Protest and Politics (641)

21st century

• 2000s (11,098)
• 2010s (7,520)
• 2020s (5)

20th century

• 1900s (1,231)
• 1910s (3,885)
• 1920s (1,592)
• 1930s (2,806)
• 1940s (1,656)
• 1950s (4,715)
• 1960s (3,528)
• 1970s (2,435)
• 1980s (2,369)
• 1990s (2,907)

19th century

• 1800s (641)
• 1810s (430)
• 1820s (547)
• 1830s (874)
• 1840s (1,556)
• 1850s (642)
• 1860s (706)
• 1870s (900)
• 1880s (631)
• 1890s (591)

18th century

• 1700-1799 (557)

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) (610)
• 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)