العلم الذي يهتم بدراسة توزيع المياه على الأرض يسمى. علم الفلك

	God's philosophers: how the medieval world laid the foundations of modern science
Ecology: From individuals to ecosystems	Cambridge University Press: New York

Mayr, The Growth of Biological Thought, chapter 4• School of Mathematics and Statistics, , Scotland.

Sackler Colloquia of the National Academy of Sciences: Physical Cosmology; Irvine, California: March 27—28, 1992	Journal of the Royal Society of Medicine
USA: Fitzroy Dearborn Publishers, I	"A unifying concept: the history of cell theory"

Publications of the Astronomical Society of the Pacific.

علم الفلك: New York: Oxford University Press
علم الأحياء: Great Britain: George Philis Limited
علم الفلك: Lamarck, the founder of Evolution: his life and work with translations of his writings on organic evolution

; Sidoli, Nathan May 2007	"The Origin of Ultra-High-Energy Cosmic Rays"
It is one of the two or three most significant works of all time—one of those works that fundamentally and permanently alter our vision of the world	The Night Sky Observer's Guide

Coleman, William 1977 Biology in the Nineteenth Century: Problems of Form, Function, and Transformation, Ch.