Groups of People Not Documented in Official Records
There are various groups of people whose presence and contributions are not adequately documented in official records. Some of these groups include indigenous communities, marginalized populations, undocumented immigrants, and minorities.

Reliable Sources of Information
1. Oral Histories: Oral histories passed down through generations within communities can provide valuable insights into the lives and experiences of these groups. These stories offer a unique perspective that may not be found in written records.
2. Local Archives and Community Centers: Local archives and community centers often house records and documents that are not included in official government records. These resources can shed light on the history and experiences of these underrepresented groups.
3. Academic Research and Scholarly Publications: Scholars and researchers often conduct studies and publish articles on the history and experiences of marginalized groups. These academic sources provide in-depth analysis and interpretation of historical events and social dynamics.
4. Non-Governmental Organizations (NGOs): NGOs that work with marginalized communities often collect data and stories that are not captured in official records. These organizations can be valuable sources of information on the challenges faced by these groups.
5. Independent Media Outlets: Independent media outlets may cover stories and issues affecting underrepresented groups that are not given attention in mainstream sources. These alternative sources of information can offer a different perspective on the lives of these communities.
By consulting these alternative sources of information, we can gain a more comprehensive understanding of the experiences and contributions of groups that are often overlooked in official records. It is essential to diversify our sources and perspectives to ensure a more inclusive and accurate representation of history.