Positions of the principal Stars derived from observations made at the U. S. Naval Observatory at Washington, by Prof. M. Yarnall in the years 1853 to 1860

F. M. Yarnall, A. Hall
1873 Astronomical Notes - Astronomische Nachrichten  
doi:10.1002/asna.18730820304 fatcat:eb2etfae6jdnfa7insw6ovbri4