H. F. Heard

See https://openlibrary.org/authors/OL1390968A/Gerald_Heard

• Taste for Honey
• Lost Cavern
• Doppelgangers (Ace M-142)
• The Great Fog and Other Weird Tales
• THE MYCROFT HOLMES MYSTERIES - THE NOTCHED HAIRPIN
• Murder by Reflection
• Notched Hairpin
• The Mycroft Holmes Mysteries