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How AI describes PERSI (Periodical Source Index)

Data as of Aug 25, 2026 · Based on 3,181,687 AI responses across 10,525 prompts · See how Parse measures this

PERSI (Periodical Source Index) logoPERSI (Periodical Source Index)genealogycenter.info

The Periodical Source Index (PERSI) is a subject index for genealogy and local history periodicals, produced by The Genealogy Center of the Allen County Public Library. It provides over 3.2 million citations to periodical sources for research.

Ownership
Part ofAllen County Public Library Genealogy Center logoAllen County Public Library Genealogy Center
PERSI (Periodical Source Index) logoPERSI (Periodical Source Index)

Parse Score

30.4

#81 of 172 in Genealogy Research Tools and Services

Strength4/ 100
Reach25/ 100
Authority0/ 100

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Sources

familysearch.org shapes more of what AI says about PERSI (Periodical Source Index) than any other source, at 20% of its citations.

genealogybank.com · genealogyexplained.com · learngenealogy.com · youtube.com

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The market map

Genealogy Research Tools and Services →
10%20%Category leadersSpecialistsIn the mixLong tailNamed in more AI answers →Appears earlier in the answer →BlackstoneFamilySearchLegacy Tree Gene…RootsMagicEBSCOGaleLegacy Family TreeIthaka HarborsClarivateMackievLibrary of Congr…GrampsUSGenWeb ProjectNational Archive…

Where AI ranks PERSI (Periodical Source Index)

Genealogy Research Tools and Services#81
Prompt
Prompt visibility
What are the best online databases, beyond the major ones, for a genealogist to find obscure records?2.1