國家名勝古蹟信託
Copac was a Jisc service provided for the UK community on the basis of an agreement with Research Libraries UK (RLUK). The service uses records supplied by RLUK members, as well as an increasing range of specialist libraries with collections of national research interest. A full list of contributors is available including the National Trust for Places of Historic Interest or Natural Beauty, the Royal Botanic Gardens, Kew, the Middle Temple library and Institution of Mechanical Engineers (IMechE) Library.