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Measures of proper motion stars made with the 40-inch refractor of the Yerkes observatory in the years 1907 to 1912 / by S.W. Burnham.

Measures of proper motion stars made with the 40-inch refractor of the Yerkes observatory in the years 1907 to 1912, by S.W. Burnham.

Atlas of solar magnetic fields, August 1959-June 1966 [by] Robert Howard, V. Bumba [and] Sara F. Smith.

The rotation period of the sun as determined from the motions of the calcium flocculi / by George E. Hale and Philip Fox.

The collected mathematical works of George William Hill.

The collected mathematical works of George William Hill.

The collected mathematical works of George William Hill.

The collected mathematical works of George William Hill.

General catalogue of 33342 stars for the epoch 1950 / prepared at the Dudley observatory, Albany, New York, by Benjamin Boss, director, Department of meridian astrometry, Carnegie institution of Washington, with the collaboration of Sebastian Albrecht, Heroy Jenkins, Harry Raymond, Arthur J. Roy, William B. Varnum [and] Ralph E. Wilson.

General catalogue of 33342 stars for the epoch 1950 ... prepared at the Dudley observatory, Albany, New York, by Benjamin Boss, director, Department of meridian astrometry, Carnegie institution of Washington, with the collaboration of Sebastian Albrecht, Heroy Jenkins, Harry Raymond, Arthur J. Roy, William B. Varnum [and] Ralph E. Wilson.

General catalogue of 33342 stars for the epoch 1950 ... prepared at the Dudley observatory, Albany, New York, by Benjamin Boss, director, Department of meridian astrometry, Carnegie institution of Washington, with the collaboration of Sebastian Albrecht, Heroy Jenkins, Harry Raymond, Arthur J. Roy, William B. Varnum [and] Ralph E. Wilson.

General catalogue of 33342 stars for the epoch 1950 ... prepared at the Dudley observatory, Albany, New York, by Benjamin Boss, director, Department of meridian astrometry, Carnegie institution of Washington, with the collaboration of Sebastian Albrecht, Heroy Jenkins, Harry Raymond, Arthur J. Roy, William B. Varnum [and] Ralph E. Wilson.

General catalogue of 33342 stars for the epoch 1950 ... prepared at the Dudley observatory, Albany, New York, by Benjamin Boss, director, Department of meridian astrometry, Carnegie institution of Washington, with the collaboration of Sebastian Albrecht, Heroy Jenkins, Harry Raymond, Arthur J. Roy, William B. Varnum [and] Ralph E. Wilson.

Madison catalogue of 2786 stars for the epoch 1910 from meridian observations by Albert S. Flint ... Reductions by Arthur J. Roy ...

Albany catalogue of 20811 stars for the epoch 1910, prepared at the Dudley Observatory, Albany, New York, under the direction of Benjamin Boss, director of the Department of Meridian Astrometry, Carnegie Institution of Washington. Arthur J. Roy, in charge of reductions of declinations [and] William B. Varnum, in charge of reduction of right-ascensions.