Harl Vincent

Copper-Clad World

2021

Machines That Think

1992

Giant Science-Fiction Six-Pack

2014

Wanderer of Infinity

2017

The Time-Raider & The Whisper of Death

2015

The Sargasso of Space and Two Others / The Copper-Clad World (Wildside Double)

2009

The Human Termites & The Ambassador from Mars

2017

The Doomsday Planet

2003

The Challenge From Beyond

1990

Terrors Unseen

2013

Terror of Air-Level Six

2013

Subterrania

2022

Silver Dome

2013

Science Wonder Stories, April 1930

2020

Science Fiction Gems, Volume Fourteen

2018

Science Fiction Adventures #2, April 2020

2020

Red Twilight / World's End

1991

Pulp Classics

2009