Author:Editors of The Boys' Friend Library

This includes both series 1 (1906-May 1925) and series 2 (June 1925-1940). For more details on the series, see Friardale, Boys' Friends Library Series 1 and Series 2. Some additional information is available at the Science Fiction Encyclopedia.

There are almost certainly other speculative fiction stories published in this magazine, including both other "Lost Race" stories, and some of the other "Captain Justice" stories.