Allen's commercial organic analysis : a treatise on the properties, modes of assaying, and proximate analytical examination of the various organic chemicals and products employed in the arts, manufactures, medicine, etc. with concise methods for the detection and estimation of their impurities, adulterations, and products of decomposition / by the editors and the following contributors, E. F. Armstrong ... [et al.] ; edited by Henry Leffmann and W. A. Davis.