Title: Atlas of deep-sky splendors,
Authors: Vehrenberg, Hans.; Güntzel-Lingner, Ulrich.; Messier, Charles.
Publisher: Treugesell-Verlag, in collaboration with Sky Pub. Co., Cambridge, Mass.,
Year: 1967
Subjects: Stars Atlases; Stars Clusters Atlases.; Nebulae Atlases.; Galaxies Atlases.