Wanklyn, William McConnel The Administrative Control of Smallpox: How to Prevent or Stop an Outbreak

Wanklyn, James Alfred Water-analysis: A Practical Treatise on the Examination of Potable Water

Wanklyn, Harriet Grace Friedrich Ratzel

Wanklyn, William McConnel The Administrative Control of Smallpox: How to Prevent or Stop an Outbreak

Wanklyn, James Alfred Tea, Coffee, and Cocoa: A Practical Treatise On the Analysis of Tea, Coffee, Cocoa, Chocolate, Maté (Paraguay Tea), Etc