Memoir of Douglass Houghton, first state geologist of Michigan. With an appendix, containing reports, or abstracts of the first Geological survey, and a chronological statement of the progress of geological exploration in Michigan Q Science
A memoir of John Maclean, M.D., the first professor of chemistry in the College of New Jersey Q Science
A memoir of William Maclure, esq., late president of the Academy of Natural Sciences of Philadelphia Q Science
A memoir of William Maclure, esq., late president of the Academy of Natural Sciences of Philadelphia Q Science
A memoir of William Pengelly, of Torquay, F.R.S., geologist, with a selection from his correspondence. Edited by Hester Pengelly. With a summary of his scientific work Q Science
A memoir of William Pengelly, of Torquay, F. R. S. geologist, with a selection from his correspondence Q Science
