coal-tar colors
Subtitle: with especial reference to their injurious qualities and the restriction of their use
By: a sanitary and medico-legal investigation, by Theodore Weyl, with a preface by Professor Sell, tr. with permission of the author by Henry Leffman.
Contributors: Leffman, Henry, 1847-
Publisher: P. Blakiston
Published: 1892
Place of publication: Philadelphia
Language: eng
Number of pages: 154
Subjects: Coal-tar colors -- Physiological effect