 He wrote "A Description of the Island of St. Michael" (1821), was associate editor of the "Boston Journal of Philosophy and the Arts" (1824–26), compiled "A Manual of Chemistry" (1826), and brought out editions of Andrew Fyfe's "Elements of Chemistry" (1827) and Justus von Liebig's "Animal Chemistry or Organic Chemistry" (1841).Noted mineralogist and Harvard Professor, Clifford Frondel appraised Webster's books as "creditable" and had praise for them.On November 23, 1849, Dr. George Parkman was murdered.