• Items (133,155)

Arts and Culture

• Carnivals (2,646)
• Choirs (678)
• Crafts (1,429)
• Eisteddfodau (507)
• Legends, tales & myths (191)
• Music (2,134)
• Operas (120)
• Theatre and performing arts (794)
• OTHER: Arts + Culture (4,218)

Biology

• Animals (142)
• Birds (457)
• Bones (27)
• Eggs (22)
• Flowering Plants (202)
• Fungi/Lichens/Algae (117)
• Insects (58)
• Marine Invertebrates (71)
• Non-flowering Plants (41)
• Shells (21)
• OTHER: Biology (96)

Community and social

• Agricultural societies (458)
• Clothing and accessories (1,729)
• Criminal System (607)
• Events (3,263)
• Fairs (657)
• Food & Drink (1,295)
• Health (1,030)
• Houses and Homes (7,894)
• Markets (278)
• People and Family (5,796)
• Schools / Education (2,321)
• Shops (529)
• Societies and clubs (5,690)
• OTHER: Community and Social (4,801)

Geology

• Fossils (67)
• Maps (1,229)
• Minerals (63)
• Rocks (134)
• OTHER: Geology (108)

Industry and Commerce

• Banks / Economy / Finance (385)
• Coal (1,946)
• Communication and media (1,277)
• Food Industry (838)
• Industrial Disasters (203)
• Iron (439)
• Mining (Other) (309)
• Pottery (31)
• Retail / Trade (312)
• Slate & Lead (555)
• Steel (191)
• Tin (70)
• Trains and Railways (1,075)
• Transport (1,634)
• Waterways and Shipping (3,303)
• OTHER: Industry (2,164)
• Wool (50)

Nature Represented

• Scientific Illustrations (223)
• Scientific Models (13)

Physical Environment

• Agricultural machinery and implements (882)
• Castles and Fortifications (254)
• Churches, Chapels & other places of worship (753)
• Cities, towns & villages (3,746)
• Farms and smallholdings (2,420)
• Forests/Forestry (313)
• Islands (598)
• Landscape views (1,558)
• Mountains/hills (305)
• Natural disasters (87)
• Parks and gardens (988)
• Pubs and Clubs (171)
• Rivers, Lakes and Dams (378)
• Seaside/Sea (615)
• Sites, Monuments & Structures (4,229)
• OTHER: Physical Environment (1,826)

Religion and Belief

• Christianity (1,170)
• Customs and practices (3,759)
• Nonconformist denominations (958)
• Pre Christian Wales (904)
• Religious buildings (4,215)
• Religious communities (1,692)
• Roman Catholicism (58)
• Societies and sects (190)
• World Faiths (955)
• OTHER: Religion and Beliefs (1,325)

Sport and Leisure

• Clubs and societies (2,372)
• Fishing (646)
• Football (1,529)
• Holidays and resorts (466)
• Places of entertainment (455)
• Processions and public events (979)
• Social groups (1,811)
• Sports and games (1,783)
• Rugby (251)
• OTHER: Sport and leisure (2,532)

War, protest and politics

• Civil and political rights (527)
• Elections and electioneering (209)
• First World War (1914-18) (4,830)
• Political parties (282)
• Second World War (1939-45) (648)
• Societies and pressure groups (332)
• Soldiers (2,610)
• Trade unionism & labour disputes (152)
• Warfare (3,456)
• OTHER: War, Protest and Politics (608)

21st century

• 2000s (11,082)
• 2010s (7,511)
• 2020s (140)

20th century

• 1900s (1,160)
• 1910s (3,668)
• 1920s (1,520)
• 1930s (2,762)
• 1940s (1,598)
• 1950s (4,652)
• 1960s (3,451)
• 1970s (2,350)
• 1980s (2,286)
• 1990s (2,989)

19th century

• 1800s (614)
• 1810s (414)
• 1820s (526)
• 1830s (836)
• 1840s (1,529)
• 1850s (595)
• 1860s (659)
• 1870s (860)
• 1880s (604)
• 1890s (558)

18th century

• 1700-1799 (566)

Archaeological Periods

• Early Modern (1536 to 1699) (347)
• Middle Ages (1086 to 1536) (2,661)
• Early Medieval(410 to 1086) (256)
• Roman (43 to 410) (597)
• Iron Age (-700 to 43) (1,205)
• Bronze Age (-2200 to -700) (487)
• Neolithic (-4400 to -2200) (179)
• Mesolithic (-8500 to -4400) (64)
• Palaeolithic (-250000 to -8500) (5)

Geological Periods

• Quaternary (2.6 mya to present day) (1)
• Pre-Quaternary (2.6 mya and earlier) (28)