Aylmer Vance investigates the unknown, using his gifts to determine the source of unexplained phenomena, and helping where he is able. His encounters include both the lovely (as the Lady Green-Sleeves) and the frightening (a vampire curse). These stories were first published in 1914.
Sax Rohmer's Morris Klaw is an eccentric investigator who, along with his beautiful daughter Isis, confronts both supernatural and criminal mysteries. Klaw's strange methods include sleeping at crime scenes to imprint the 'odic forces' and his theories on the Cycles of Crime.
