• Items (130,969)
• Collections (2,727)
• Trails (289)
• Stories (531)

Arts and Culture

• Carnivals (2,654)
• Choirs (717)
• Crafts (1,415)
• Eisteddfodau (522)
• Legends, tales & myths (217)
• Music (2,160)
• Operas (125)
• Theatre and performing arts (822)
• OTHER: Arts + Culture (4,314)

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 (490)
• Clothing and accessories (1,801)
• Criminal System (598)
• Events (3,280)
• Fairs (671)
• Food & Drink (1,354)
• Health (1,066)
• Houses and Homes (7,965)
• Markets (285)
• People and Family (5,713)
• Schools / Education (2,373)
• Shops (514)
• Societies and clubs (5,717)
• OTHER: Community and Social (4,888)

Geology

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

Industry and Commerce

• Banks / Economy / Finance (389)
• Coal (1,992)
• Communication and media (1,299)
• Food Industry (860)
• Industrial Disasters (216)
• Iron (452)
• Mining (Other) (344)
• Pottery (34)
• Retail / Trade (309)
• Slate & Lead (553)
• Steel (204)
• Tin (73)
• Trains and Railways (1,092)
• Transport (1,672)
• Waterways and Shipping (3,364)
• OTHER: Industry (2,286)
• Wool (33)

Nature Represented

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

Physical Environment

• Agricultural machinery and implements (887)
• Castles and Fortifications (273)
• Churches, Chapels & other places of worship (669)
• Cities, towns & villages (3,889)
• Farms and smallholdings (2,449)
• Forests/Forestry (324)
• Islands (604)
• Landscape views (1,639)
• Mountains/hills (339)
• Natural disasters (91)
• Parks and gardens (1,013)
• Pubs and Clubs (168)
• Rivers, Lakes and Dams (403)
• Seaside/Sea (591)
• Sites, Monuments & Structures (4,215)
• OTHER: Physical Environment (1,866)

Religion and Belief

• Christianity (1,046)
• Customs and practices (3,802)
• Nonconformist denominations (965)
• Pre Christian Wales (908)
• Religious buildings (4,091)
• Religious communities (1,680)
• Roman Catholicism (59)
• Societies and sects (210)
• World Faiths (967)
• OTHER: Religion and Beliefs (1,338)

Sport and Leisure

• Clubs and societies (2,381)
• Fishing (652)
• Football (1,564)
• Holidays and resorts (490)
• Places of entertainment (469)
• Processions and public events (1,009)
• Social groups (1,845)
• Sports and games (1,803)
• Rugby (265)
• OTHER: Sport and leisure (2,522)

War, protest and politics

• Civil and political rights (561)
• Elections and electioneering (217)
• First World War (1914-18) (5,000)
• Political parties (286)
• Second World War (1939-45) (640)
• Societies and pressure groups (353)
• Soldiers (2,637)
• Trade unionism & labour disputes (159)
• Warfare (3,545)
• OTHER: War, Protest and Politics (638)

21st century

• 2000s (10,994)
• 2010s (7,455)
• 2020s (1)

20th century

• 1900s (1,221)
• 1910s (3,826)
• 1920s (1,576)
• 1930s (2,793)
• 1940s (1,603)
• 1950s (4,687)
• 1960s (3,511)
• 1970s (2,395)
• 1980s (2,347)
• 1990s (2,780)

19th century

• 1800s (639)
• 1810s (427)
• 1820s (542)
• 1830s (869)
• 1840s (1,550)
• 1850s (631)
• 1860s (699)
• 1870s (892)
• 1880s (621)
• 1890s (580)

18th century

• 1700-1799 (551)

Archaeological Periods

• Early Modern (1536 to 1699) (362)
• Middle Ages (1086 to 1536) (2,686)
• 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)