Harvard College Observatory
Harvard College Observatory--the first century: a review of the past and a preview of the future, 1946.
Illustrated with photographs, outlining current research and future plans.
Harvard College Observatory.
Harvard College Observatory -- History -- 19th century.
Harvard College Observatory -- History -- 20th century.
Astronomy -- Research.
Astronomical observatories -- United States -- Massachusetts -- History.
Institutional History
Universities and colleges -- United States -- Massachusetts.
AIP-ICOS
American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA