Report on Canadian graphite

Chemical contributions to the geology of Canada

Report of the Section of Chemistry and Mineralogy

Pourquoi la violence des adolescents?

Paper on the eucalypts of Australia

On a specimen of Canadian native platinum from British Columbia

Contributions chimiques à la géologie du Canada

Contributions chimiques à la géologie du Canada, du laboratoire de la commission

Chemical contributions to the geology of Canada from the laboratory of the survey

Catalogue of section one of the Museum of the Geological Survey

Autobiography of George Christian Hoffmann, LL.D., F.I.C., M.M.S., F.R.S.C.

Annotated list of the minerals occuring in Canada