This ed. (which includes 'March moonlight') originally published: London : Dent, 1966-1967.
Contents: Deadlock. Originally published: London : Duckworth, 1921 - Revolving lights. Originally published: London : Duckworth, 1923 - The trap. Originally published: London : Duckworth, 1925.
Pilgrimage by Dorothy M. Richardson. ISBN 0860681025. Published by Virago in 1979. Publication and catalogue information, links to buy online and reader comments.