XLVII.—On the magnetic rotary polarisation of compounds in relation to their chemical constitution; with observations on the preparation and relative densities of the bodies examined
W. H. Perkin. "XLVII.—On the magnetic rotary polarisation of compounds in relation to their chemical constitution; with observations on the preparation and relative densities of the bodies examined." Journal of the Chemical Society Transactions 45.0 (1884) 421-580