New Standard: The bad doctor
- An article which discusses why America seem to have forgotten about Herman Mudgett.
- http://www.s-t.com/daily/05-96/05-26-96/m02wn211.htm

New Standard: Doctor's Victims
- A partial list of the murders Herman Mudgett confessed to before his execution.
- http://www.s-t.com/daily/05-96/05-26-96/m02wn212.htm

Mr. Herman Mudget, aka H.H. Holmes
- An overview of Mudgett's crimes. Includes extract from "A Carnival of Crime."
- http://www.umich.edu/~newsinfo/MT/99/Sum99/mt15j99.html

The Murder Castle of H.H. Holmes
- A comprehensive account of Mudgett's life and his infamous "murder castle."
- http://www.prairieghosts.com/holmes.html

Crime Library: H. H. Holmes
- A detailed collection of articles on different aspects of Holmes' life.
- http://www.crimelibrary.com/serial6/holmes/

1890-1894: The Monster of 63rd Street, a Serial Killer
- A brief biography and drawing of Herman Mudgett.
- http://www.chipublib.org/004chicago/disasters/63rd_killer.html