TY - JOUR T1 - Contributions towards the History of the Colouring Matters Derived from Aniline JF - Proceedings of the Royal Society of London (1854-1905) VL - 12 SP - 645 EP - 647 PY - 1862/01/01/ UR - http://dx.doi.org/10.1098/rspl.1862.0138 M3 - doi:10.1098/rspl.1862.0138 AU - Hofmann, A. ER -