Note: There are other authors with the same name: Katherine Blake
- Author: Katherine Blake (I) Author Record # 332801
- Legal Name: Blake, Katherine Duer
- Birthplace: Paris, France
- Language: English
- Note: Reginald3 has this author listed as the same as Katherine Blake who has otherwise been identified as a pseudonym of Dorothy J. Heydt. Given the span between publication dates of their works, and biographical details from the back flap of Night Stands at the Door, we are assuming that these are two different authors.