- Author: Mathew D. Hargreaves Author Record # 121918
- Birthplace: Renton, Washington, USA
- Birthdate: 8 April 1955
- Language: English
- Webpages: prabook.com
- Used These Alternate Names: Matthew D. Hargreaves, Matt Hargreaves
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Nonfiction
- Anne Inez McCaffrey, 40 Years of Publishing: An International Bibliography (1992)
- Anne Inez McCaffrey: Two More Years of Publishing/A Bibliography of only U.S. and U.K. Editions (1994)
- Letter (Science Fiction Review #44) (1982) [only as by Matt Hargreaves]
- Letter (Locus #288) (1985) [only as by Matt Hargreaves]
- A Short Biography (Anne Inez McCaffrey) (1992)
- Bibliography (Anne Inez McCaffrey) (1992)
- Chronological Publishing Order and Related-Series Listing (1992)
- Introduction (Anne Inez McCaffrey) (1992)
- Anne Inez McCaffrey: A Biography (1994) [only as by Matthew D. Hargreaves]
- Thomas Burnett Swann: An International Bibliography (1995) with Robert A. Collins
- Publisher's Note (The Minotaur Trilogy) (1996)