National apprenticeship standards for roofers, damp and waterproof workers /

Mode of access: Internet.

Proceedings of the joint convention of the International Brotherhood of Composition Roofers, Damp and Waterproof Workers and the International Slate and Tile Roofers Union of America /

Held in Pittsburgh, Pa., Sept. 8, 1919.

Damp beds; a farce, in two acts.

Ahot: Duncombe's edition.

Inflammation du grisou par les filaments incandescents des lampes électriques.

Extrait des Annales des mines de Belgique, t. XVI.