Report on the non-metallic minerals used in the Canadian manufacturing industries,

"No. 305."

Annual coal and non-metallic mineral report with directories of reporting firms for .

Description based on: 1952.

A scheme for utilizing the polarizing microscope in the determination of minerals of non-metalic lustre ...

"Reprinted from the School of mines quarterly, vol.XXXIV, no. 4, July, 1913."

Outline of lectures on the non-metallic elements and their compounds.

Mode of access: Internet.