John Hurst and Frederick Douglass
These are the 2 indexed letters between John Hurst and Frederick Douglass, with both parties read from the letter itself.
Listed in the derivation’s order: year, then letter ID; undated letters first. Not chronological within a year.
- John Hurst to Honorable Frederick Douglass · 1892-03-01
- John Hurst to Mr. Frederick Douglass · 1892-04-06
How this list was derived
Tier 1: derived from the published letters index, the reviewed correspondent groups and the reviewed place list by the rules below — no inference, no model. Post-fold (sitting 2026-09-05): 169 reviewed correspondent groups; 2090 printed forms remain groups of one below the review floor, disclosed. Corpus version 5db27b8755bd.
Rule: letters carrying both parties (the boundary sentence), grouped by the unordered pair of correspondent groups; see the builder
SELECT id FROM letters WHERE (sender_group = :person_a AND recipient_group = :person_b) OR (sender_group = :person_b AND recipient_group = :person_a) ORDER BY year, id