At trial, the Wet’suwet’en people were represented by the 13 Wet’suwet’en Hereditary Chiefs, whose territories during that time lay mainly in the watersheds of the Bulkley and parts of the Fraser-Nechako River systems and their tributaries. The original claims were altered and replaced with claims for aboriginal title and self-government, and eventually the individual claims by each House were amalgamated into two collective claims, one on behalf of the Wet’suwet’en Nation and the other for the Gitksan Nation. The Wet’suwet’en Exhibits consists primarily of records relating to Wet'suwet'en history, territory, and traditions. Series also includes Plaintiffs’ expert witness evidence, Wet’suwet’en genealogy information, photographs, oral histories, maps, letters, interviews and commission evidence.

Series consists primarily of evidence presented by expert witnesses and background research materials that the lawyers used in the Delgamuukw Trial case. There are mainly submissions by the Defendants, including affidavits, maps, Department and Ministry annual reports, extracts from various news sources, census documents, and historical materials relating to the land claim area in British Columbia. Transcripts of cross-examinations, data sheets, proclamations and ordinances, Land Title Office documents, and early settlers' correspondence are also included.

51 Gitxsan appellants represented all but 12 of the Gitxsan Houses during the Delgamuukw Trial. The Gitxsan territories lay all within the land claim area, in the northern and central Skeena, Nass and Babine Rivers and their tributaries. The original claims were altered and replaced with claims for aboriginal title and self-government, and eventually the individual claims by each House were amalgamated into two collective claims, one on behalf of the Wet’suwet’en Nation and the other for the Gitksan Nation. The Gitxsan Exhibits consist of Plaintiffs' expert witness evidence relating to the Gitxsan people, their territories and traditions. Series includes genealogy information, photographs, oral histories, maps, letters, interviews, and commission evidence.