Letters between correspondents

Wm. H. H. Hart and Mr. Simpson

These are the 1 indexed letters between Wm. H. H. Hart and Mr. Simpson, with both parties read from the letter itself.

1 entries; every one listed below. Several letters may link to the same folder.

Listed in the derivation’s order: year, then letter ID; undated letters first. Not chronological within a year.

Wm H. H. Hart to Mr. Simpson · 1902-11-17

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