| Antiquities 33 | Antiquities, Archaeology, and Heritage Resources in NL | Websites in this category focus on antiquities, archaeology, and heritage within the Netherlands. Resources include archaeological excavation projects, societies dedicated to archaeology and classical studies, and businesses specializing in heritage preservation. |
| Archaeology 291 | Archaeological Sites and Research | This compilation features organizations and individuals dedicated to the investigation, preservation, and presentation of archaeological heritage. Resources encompass archaeological research, excavations, artifact analysis, and the study of historical landscapes throughout the country. |
| Business History 29 | Companies: Histories and Traditions | This grouping features documented histories of established businesses and organizations operating in the region. Included are family-owned enterprises, manufacturers, retailers, and service providers with long-standing legacies. |
| Company History 27 | Businesses: Historical Overviews & Heritage | This grouping features websites detailing the histories of various businesses and industries, primarily focusing on family-owned enterprises and established brands. Content ranges from detailed accounts of company foundations and evolutions to explorations of product lines, manufacturing processes, and advertising campaigns. |
| Corporate History 22 | Corporate histories; companies; organizations; brands | Websites preserving and showcasing the histories of various companies, organizations, and brands. Content includes historical overviews, company milestones, product evolution, and employee memories. |
| Historic Ships 26 | Historic sailing vessels, maritime heritage | Explore websites dedicated to the preservation and enjoyment of historical sailing vessels. Discover information on restoration projects, sailing holidays, and traditional maritime experiences. |
| Music History 82 | Dutch Music Heritage Preservation & Research | Resources document the preservation and historical research of musical heritage within the country. Websites explore various genres, artists, and musical movements from different eras. |
| National History 50 | Genealogy heritage personal stories | Websites focus on researching, documenting, and sharing family history and personal narratives. Resources explore noble lineages, ancestral trees, and the history of specific families within the nation. |
| Royal History 10 | Houses of Orange-Nassau and European royalty. | Content explores the history and genealogy of European royal houses, with a particular focus on the House of Orange-Nassau. Information includes royal traditions, attire, King's Day celebrations, and the advisory role of institutions concerning nobility and heraldry. |
| Sports History 28 | Sporting Heritage of the Lowlands | Resources document the history of various sports clubs, athletes, and competitions within the region. Information covers a wide range of disciplines, from football and ice hockey to tennis, judo, and lesser-known traditional games. |
| Transportation History 28 | Vehicles, vessels, and transport history | Resources exploring the historical development of various modes of transport. Archived information on museums, collections, and events related to automotive, railway, and maritime heritage. |