Volume 3(12); December 1939 Articles There is Much to be Done PMCID: PMC1702215 Professional and Personal PMCID: PMC1702220 Resumé PMCID: PMC1702222 Sodium Hyposulphite PMCID: PMC1702225 Devoirs des Vétérinaires PMCID: PMC1702221 Artificial Insemination of Dairy Cattle PMCID: PMC1702226 Parasitic Sheep Diseases in Canada PMCID: PMC1702217 Treatment Periodic Ophthalmia PMCID: PMC1702216 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. Advertisements | ||