Astrographic Catalogue 1900.0. Hyderabad Section (Part II.) Dec. -20° to -24°. Vol. VI. Measures of rectangular co-ordinates and diameters of 81,821 star-images on plates with centres in dec. -22° - Bhaskaran, T. P. (Neill and CO., 1927)
Keywords: katalog astrograficzny; fotometria gwiazdowa; deklinacja gwiazd -22°; Nizamiah obserwatorium