Papers of Mrs Helen Thelka Jericho mainly relating to her family and Bethesda Mission. (Helen Jericho's father Hermann Heinrich Volgesang was one of the founders of Bethesda Mission on Lake Killapannina.) Papers comprise correspondence; journal of a trip to Kopperamanna; prayers written in the Dijeri dialect; history of the Bethesda Mission; photographs of the Vogelsang family, the Bethesda Mission and Dijeri aborigines; transcripts; and printed items.