Historical Mysteries: Early 20th Century

Rennie Airth (FIC)
Conrad Allen
George Baxt
Rhys Bowen, "Molly Murphy" series
Max Allen Collins
Jeanne Dams, "Hilda Johansson" series
Diane Day
Carola Dunn
John Dunning, Two O'Clock Eastern Wartime
A. E. Eddenden
Jack Gerson
Stuart Kaminsky, "Toby Peters" series
Peter Lovesey
William F. Nolan
Michael Pearce
Elliott Roosevelt
Walter Satterthwait
Troy Soos
Charles Todd