• Items (128,038)
• Collections (2,611)
• Trails (290)
• Stories (531)

Arts and Culture

• Carnivals (2,660)
• Choirs (697)
• Crafts (1,406)
• Eisteddfodau (520)
• Legends, tales & myths (203)
• Music (2,129)
• Operas (119)
• Theatre and performing arts (792)
• OTHER: Arts + Culture (4,302)

Biology

• Animals (117)
• Birds (462)
• Bones (30)
• Eggs (24)
• Flowering Plants (211)
• Fungi/Lichens/Algae (116)
• Insects (60)
• Marine Invertebrates (40)
• Non-flowering Plants (43)
• Shells (18)
• OTHER: Biology (67)

Community and social

• Agricultural societies (488)
• Clothing and accessories (1,776)
• Criminal System (548)
• Events (3,223)
• Fairs (671)
• Food & Drink (1,288)
• Health (1,062)
• Houses and Homes (7,894)
• Markets (284)
• People and Family (5,552)
• Schools / Education (2,313)
• Shops (466)
• Societies and clubs (5,602)
• OTHER: Community and Social (4,835)

Geology

• Fossils (73)
• Maps (1,248)
• Minerals (68)
• Rocks (114)
• OTHER: Geology (114)

Industry and Commerce

• Banks / Economy / Finance (387)
• Coal (1,991)
• Communication and media (1,268)
• Food Industry (661)
• Industrial Disasters (216)
• Iron (452)
• Mining (Other) (342)
• Pottery (33)
• Retail / Trade (306)
• Slate & Lead (494)
• Steel (202)
• Tin (73)
• Trains and Railways (1,088)
• Transport (1,664)
• Waterways and Shipping (3,150)
• OTHER: Industry (2,285)
• Wool (33)

Nature Represented

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

Physical Environment

• Agricultural machinery and implements (886)
• Castles and Fortifications (243)
• Churches, Chapels & other places of worship (649)
• Cities, towns & villages (3,877)
• Farms and smallholdings (2,436)
• Forests/Forestry (320)
• Islands (603)
• Landscape views (1,614)
• Mountains/hills (336)
• Natural disasters (90)
• Parks and gardens (1,007)
• Pubs and Clubs (169)
• Rivers, Lakes and Dams (187)
• Seaside/Sea (571)
• Sites, Monuments & Structures (4,192)
• OTHER: Physical Environment (1,845)

Religion and Belief

• Christianity (974)
• Customs and practices (3,764)
• Nonconformist denominations (925)
• Pre Christian Wales (904)
• Religious buildings (4,069)
• Religious communities (1,663)
• Roman Catholicism (46)
• Societies and sects (207)
• World Faiths (950)
• OTHER: Religion and Beliefs (1,331)

Sport and Leisure

• Clubs and societies (2,373)
• Fishing (632)
• Football (1,558)
• Holidays and resorts (487)
• Places of entertainment (469)
• Processions and public events (1,004)
• Social groups (1,846)
• Sports and games (1,785)
• Rugby (261)
• OTHER: Sport and leisure (2,479)

War, protest and politics

• Civil and political rights (536)
• Elections and electioneering (211)
• First World War (1914-18) (4,964)
• Political parties (285)
• Second World War (1939-45) (616)
• Societies and pressure groups (346)
• Soldiers (2,624)
• Trade unionism & labour disputes (139)
• Warfare (3,539)
• OTHER: War, Protest and Politics (628)

21st century

• 2000s (10,543)
• 2010s (7,133)

20th century

• 1900s (1,209)
• 1910s (3,782)
• 1920s (1,530)
• 1930s (2,703)
• 1940s (1,483)
• 1950s (4,559)
• 1960s (3,473)
• 1970s (2,354)
• 1980s (2,294)
• 1990s (2,579)

19th century

• 1800s (638)
• 1810s (426)
• 1820s (542)
• 1830s (869)
• 1840s (1,544)
• 1850s (626)
• 1860s (694)
• 1870s (886)
• 1880s (609)
• 1890s (564)

18th century

• 1700-1799 (551)

Archaeological Periods

• Early Modern (1536 to 1699) (362)
• Middle Ages (1086 to 1536) (2,664)
• Early Medieval(410 to 1086) (262)
• Roman (43 to 410) (610)
• Iron Age (-700 to 43) (1,211)
• 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)