- Series: Astronomisches Lexikon Series Record # 49856
- Astronomisches Lexikon
- Abendrot—Astronomische Einheit (1956) [ES] by uncredited
- Atmosphäre—Dreikörperproblem (1956) [ES] by uncredited
- Dunkelwolken—Expansion (1956) [ES] by uncredited
- Extinktion—Galaktisch (1957) [ES] by uncredited
- Geochemie—Hyperbolisch (1957) [ES] by uncredited
- Jahreszeiten—Kometen (1957) [ES] by uncredited
- Kometensucher—Leuchtkraft (1957) [ES] by uncredited
- Libration des Mondes—Meteor (1957) [ES] by uncredited
- Milchstraße—Nadir (1957) [ES] by uncredited
- Nutation—Pluto (1957) [ES] by uncredited
- Polarlicht—Rotations-Nebular-Hypothese (1957) [ES] by uncredited
- Saroszyklus (Finsternisperiode)—Spektraltypen (1957) [ES] by uncredited
- Spektroheliograph—Zodiakus (1957) [ES] by uncredited