Astronomy - History. - United States

Sky and ocean joined : = the U.S. Naval Observatory, 1830-2000 / by: (Language materials, printed)

Eclipses, transits, and comets of the nineteenth century = how America's perception of the skies changed / by: (Electronic resources)

The muleskinner and the stars = the life and times of Milton La Salle Humason, astronomer / by: (Electronic resources)

United States Naval Observatory- History- 19th century.

United States Naval Observatory- History- 20th century.

Astronomy, Observations and Techniques.

History and Philosophical Foundations of Physics.

History of Science.

Astronomers- United States

Physics.

Humason, Milton L.

Astronomy, Astrophysics and Cosmology.

Astronomy- History.- United States

Popular Science in Astronomy.