Cover artists: Leo and Diane Dillon. Thanks to Siryl for unearthing them.
unknown artist
Orange spaceships.
Art by Franco Storchi; Angus McKie; unknown; and Vaughn Bode & Larry Todd, respectively.
Unknown Artist – Pre-Guild Starships
The Time Connection, 1976. Unknow artist.
Cover art to a 1977 edition of Philip K Dick and Roger Zelazny’s Deus Irae. I couldn’t locate the artist’s name.
Unknown artist. From Space Wars Fact and Fiction, 1980