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2. ———. 2004. William Huggins; Margaret Lindsay Huggins. Dictionary of nineteenth-century British scientists. Vol. 2, 1021–1029. Bristol: Thoemmes Press.
3. ———. 2011. Unravelling starlight: William and Margaret Huggins and the rise of the new astronomy. Cambridge, UK: Cambridge University Press.
4. ———., ed. 2014. Selected correspondence of William Huggins. London: Pickering and Chatto.
5. Huggins, M.L. 1892. Gio: Paolo Maggini, his life and work. London: W. E. Hill & Sons.