• Items (131,441)
• Collections (2,763)
• Trails (289)
• Stories (533)

Arts and Culture

• Carnivals (2,660)
• Choirs (717)
• Crafts (1,449)
• Eisteddfodau (524)
• Legends, tales & myths (219)
• Music (2,185)
• Operas (126)
• Theatre and performing arts (827)
• OTHER: Arts + Culture (4,321)

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 (491)
• Clothing and accessories (1,809)
• Criminal System (602)
• Events (3,319)
• Fairs (672)
• Food & Drink (1,359)
• Health (1,068)
• Houses and Homes (7,981)
• Markets (285)
• People and Family (5,775)
• Schools / Education (2,382)
• Shops (517)
• Societies and clubs (5,726)
• OTHER: Community and Social (4,897)

Geology

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

Industry and Commerce

• Banks / Economy / Finance (391)
• Coal (1,993)
• Communication and media (1,299)
• Food Industry (861)
• Industrial Disasters (217)
• Iron (453)
• Mining (Other) (346)
• Pottery (34)
• Retail / Trade (319)
• Slate & Lead (559)
• 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 (887)
• Castles and Fortifications (276)
• Churches, Chapels & other places of worship (714)
• Cities, towns & villages (3,893)
• Farms and smallholdings (2,450)
• Forests/Forestry (324)
• Islands (604)
• Landscape views (1,640)
• Mountains/hills (340)
• Natural disasters (92)
• Parks and gardens (1,013)
• Pubs and Clubs (173)
• Rivers, Lakes and Dams (406)
• Seaside/Sea (596)
• Sites, Monuments & Structures (4,256)
• OTHER: Physical Environment (1,868)

Religion and Belief

• Christianity (1,142)
• Customs and practices (3,832)
• Nonconformist denominations (966)
• Pre Christian Wales (908)
• Religious buildings (4,179)
• Religious communities (1,709)
• Roman Catholicism (59)
• Societies and sects (210)
• World Faiths (967)
• OTHER: Religion and Beliefs (1,338)

Sport and Leisure

• Clubs and societies (2,382)
• Fishing (652)
• Football (1,565)
• 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 (562)
• Elections and electioneering (218)
• First World War (1914-18) (5,051)
• Political parties (289)
• Second World War (1939-45) (684)
• Societies and pressure groups (353)
• Soldiers (2,703)
• Trade unionism & labour disputes (160)
• Warfare (3,547)
• OTHER: War, Protest and Politics (640)

21st century

• 2000s (11,091)
• 2010s (7,517)
• 2020s (5)

20th century

• 1900s (1,228)
• 1910s (3,880)
• 1920s (1,589)
• 1930s (2,800)
• 1940s (1,652)
• 1950s (4,710)
• 1960s (3,523)
• 1970s (2,431)
• 1980s (2,367)
• 1990s (2,805)

19th century

• 1800s (640)
• 1810s (429)
• 1820s (545)
• 1830s (872)
• 1840s (1,554)
• 1850s (640)
• 1860s (704)
• 1870s (898)
• 1880s (629)
• 1890s (585)

18th century

• 1700-1799 (556)

Archaeological Periods

• Early Modern (1536 to 1699) (362)
• Middle Ages (1086 to 1536) (2,688)
• 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)