W. Marshall Watts

• A school flora
• Index of spectra
• Organic chemistry adapted for students for use in science classes and higher and middle class schools
• A school for the use of elementary botanical classes
• Index of authors; Third "Index Indices", 1st ed. (1872) to Appendix Y (1921) inclusive
• Index of spectra. Appendix A.A
• Index of spectra. Appendix [A-Z]