Publications of Naval Observatory, 2d series, v. 16. pt. 1. [Results of observations made with 6-inch transit circle, 1925-41, observations of the sun, moou, and planets, catalog of 2,383 stars for 1925.0, catalog of 2,383 stars for 1950.0, catalog of 1,536 stare for 1950.0, corrections to GC and FK3; by C. B. Watts and A. N. Adams.]

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