Institut canadien de conservation. Bulletin technique mai 1978/ Canadian Conservation Institute. Technical Bulletin May 1978, no. 2 [CCI Technical Bulletin].
Ottawa, Ont.
Musées nationaux du Canada/ National Museums of Canada
Institut canadien de conservation. Bulletin technique mai 1978/ Canadian Conservation Institute. Technical Bulletin May 1978, no. 1 [CCI Technical Bulletin].
Ottawa, Ont.
Musées nationaux du Canada/ National Museums of Canada