A detailed inventory is available.

1. Official Diocesan records, consisting chiefly of correspondence, financial records and reports. The records document the full range of the activities of the Catholic Church in the Cook Islands, including such matters as: relations with the Holy See; regional relations with the Delegations Apostolic in Sydney and Wellington, with CEPAC (Conferentia Episcopalis Pacifici) and with neighbouring Dioceses; parish activities; diocesan management and personnel; Catholic education in the islands; theological and liturgical matters; the activities of the lay apostolate and youth clubs; relations with the civil government of the Cook Islands; relations with the Netherlands Province and with the Marist Fathers; relations with other Christian Churches; relations with international mission aid societies; and records of church property. (Reels 1-49 and Reel 11A)
2. Dictionary, Rarotongan/Dutch, by Mgr Ubald Lehman, vol. 2, c.1940s. (Reel 49)
3. Parish registers of baptisms, marriages, deaths, confirmations and school enrolment, 1894-1993. (Reels 50-51)
4. Diaries of Mgr Bernadine Castanie, 1921-39 (in French) and of Bishop Ubald Lehman, 1939-48 (in Dutch). (Reel 52).
   See Finding aids for details.