Niels Bohr: Colected Works
British Periodicals I and II (1680s - 1930s)
Nineteenth Century Masterfile (1800 - 1925)
Complete Dictionary of Scientific Biography Provides information on the history of science through articles on the professional lives of scientists. All periods of science from classical antiquity to modern times are represented.
A Dictionary of ScientistsScience in the Ancient World: An Encyclopedia Science in the Contemporary World: An Encyclopedia Science in the Early Twentieth Century: An Encyclopedia Science in the Enlightenment: An Encyclopedia