Experimental Work Carried on in 1908 [microform]F. (Felix) B. Charlan, O. (Omer) B. Chevalier, Canada Tobacco DivisionHäftad, 2021209 kr
Importance of Rotations in Tobacco Culture [microform]O. (Omer) B. Chevalier, Canada Tobacco DivisionHäftad, 2021219 kr
Tobacco Culture in Canada [microform]F. (Felix) B. Charlan, Canada Tobacco DivisionHäftad, 2021219 kr