Membership
History is larger than what we were taught. Explore a living reference dedicated to preserving the people, innovations, ideas, and legacies that deserve to be known.
Explore
Free
For visitors beginning their journey through Indelible Source.
No payment information required.
Individual
$4.99/month
Monthly subscription. Cancel anytime.
Individual Annual
$39.99/year
Equivalent to approximately $3.33/month.
Family
$59.99/year
Designed for families who want to explore history together.
Educator
$49.99/year
For educators, homeschool families, and independent instructors.
Included with Explore (Free)
Free visitors can read up to 50 curated profiles in preview form. Membership opens all 1,026 entries, every discipline, and the full source lists.
Schools & Organizations
For schools, school districts, colleges, universities, libraries, museums, churches, nonprofits, cultural organizations, and other institutions.
Indelible Source continues to grow as more stories, innovations, achievements, and historical records are researched and preserved. Membership helps support the continued development of this living archive.
Explore Indelible Source →