3)*(with Lady Huggins): "An Atlas of Representative Stellar Spectra from formula_14870 to formula_13300, together with a discussion of the evolution order of the stars, and the interpretation of their spectra; preceded by a short history of the observatory".
3)* (with Lady Margaret Lindsay Huggins): "An atlas of representative stellar spectra from 4870 to [lambda 3300, together with a discussion of the evolution order of the stars, and the interpretation of their spectra; preceded by a short history of the observatory".