Scientific method in the reconstruction of ninth-grade mathematics; a complete report of the investigation of the Illinois committee on standardization of ninth-grade mathematics, 1913-1918 Q Science
Catalogue of the Mesozoic plants in the British museum (Natural history) The Cretaceous flora Q Science
The book of nature laid open, in a popular survey of the phenomena and constitution of the universe; Q Science
Lives of alchemystical philosophers : based on materials collected in 1815 and supplemented by recent researches with a philosophical demonstration of the true principles of the magnum opus, or great work of alchemical re-construction, and some account of the spiritual chemistry Q Science
