Oral History Interview with Dennis D. McCarthy
The Leap Second
Definition of the Celestial Ephemeris Origin and of UT1 in the International Celestial Reference Frame
Observations of the Fortnightly Nutation Terms and the "dynamical Variation of Latitude" with Photographic Zenith Tubes
The Julian and Modified Julian Dates
The New Definition of Universal Time
Life Without the Leap Second
Proceedings International Symposium on Space Techniques for Geodynamics, Sopron, Hungary, July 9-13, 1984
An Abridged Model of the Precession-nutation of the Celestial Pole
Secular and Nonpolar Variation of Washington Latitude
Royal Glenn Hall, 1921-2004
Non Tidal Motions Between Mizusawa and Washington, D.C. with the Aid of the Photographic Zenith Telescope Observations
Dark Horse Presents #34
Dark Horse Presents #35
Dark Horse Presents
Dark Horse Presents