Visual astronomy of the deep sky - Clark, Roger Nelson (Cambridge ; New York : Cambridge University Press ; Cambridge, Mass. : Sky Publ. Corp., 1990)
Includes index.
Bibliogr.: p. 351.
Keywords: Astronomy -- Amateurs' manuals; Telescopes -- Amateurs' manuals; Galaxies -- Atlases -- Amateurs' manuals; Nebulae -- Atlases -- Amateurs' manuals