8 public-domain matches

The 20s

Cover of Mit Tempo und Courage

Mit Tempo und Courage

Regina Dieterle

Cover of Observations of Eclipses, Occultations, and Transits of Jupiter's Satellites, made with the 8-inch Cooke Equatorial at the Adelaide Observatory, South Australia: Longitude, 9h, 14m. 20s.3 E.; Latitude, 34 56' 33''.8 S

Observations of Eclipses, Occultations, and Transits of Jupiter's Satellites, made with the 8-inch Cooke Equatorial at the Adelaide Observatory, South Australia: Longitude, 9h, 14m. 20s.3 E.; Latitude, 34 56' 33''.8 S

Unknown author

Cover of Drawing of the Ring Nebula in Lyra (R.A. 18h 48m 20s: N.P.D. 50 8' 57'' [1860.0])

Drawing of the Ring Nebula in Lyra (R.A. 18h 48m 20s: N.P.D. 50 8' 57'' [1860.0])

E. S. Holden

A War Savings Association

A War Savings Association

Unknown author

Cover of Alzheimer's Disease: Drug Discovery

Alzheimer's Disease: Drug Discovery

Unknown author

Cover of Speculative Anthropology

Speculative Anthropology

Oscar Hemer

Cover of Regulating Mergers and Acquisitions of U.S. Electric Utilities

Regulating Mergers and Acquisitions of U.S. Electric Utilities

Scott Hempling

Cover of The Charter of Taxpayer’s Rights

The Charter of Taxpayer’s Rights

Włodzimierz Nykiel, Małgorzata Sęk