- 1 J. M. Schaeberle
Terrestrial Atmospheric Absorption of the photographic rays of light
Sacramento: A. J. Johnston 1893; 89 S.
USA / Sternwarte; Astronomische Beobachtung; Lichtabsorption - 2 J. M. Schaeberle
Report on the Total Eclipse of the Sun, observed at Mina Bronces, Chile, on April 16, 1893
Sacramento: A. J. Johnston 1895; 126 S. : Ill.
Sonnenfinsternis