The coal-tar colors : with especial reference to their injurious qualities and the restriction of their use : a sanitary and medico-legal investigation / by Theodore Weyl ; with a preface by Professor Sell ; translated with permission of the author by Henry Leffman.

Licence: Public Domain Mark

Credit: The coal-tar colors : with especial reference to their injurious qualities and the restriction of their use : a sanitary and medico-legal investigation / by Theodore Weyl ; with a preface by Professor Sell ; translated with permission of the author by Henry Leffman. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.