The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 1964 publications (1 member)
- 1966 publications (1 member)
- 1969 publications (1 member)
- 1974 publications (1 member)
- 1975 publications (3 members)
- 1977 publications (2 members)
- 1978 publications (1 member)
- 1979 publications (4 members)
- 1980 publications (1 member)
- 1981 publications (1 member)
- 1982 publications (3 members)
- 1983 publications (2 members)
- 1985 publications (2 members)
- 1986 publications (1 member)
- 1988 publications (1 member)
- 1989 publications (1 member)
- 1992 publications (3 members)
- 1994 publications (2 members)
- 1995 publications (3 members)
- 1996 publications (2 members)
- 1997 publications (3 members)
- 1998 publications (6 members)
- 1999 publications (3 members)
- 2000 publications (3 members)
- 2001 publications (9 members)
- 2002 publications (9 members)
- 2003 publications (21 members)
- 2004 publications (10 members)
- 2005 publications (10 members)
- 2006 publications (10 members)
- 2007 publications (13 members)
- 2008 publications (6 members)
- 2009 publications (5 members)
- 2010 publications (7 members)
- 2011 publications (7 members)
- 2012 publications (18 members)
- 2013 publications (9 members)
- 2014 publications (12 members)
- 2015 publications (14 members)
- 2016 publications (6 members)
- 2017 publications (16 members)
- 2018 publications (9 members)
- 2019 publications (15 members)
- 2020 publications (10 members)
- 2021 publications (10 members)
- 2022 publications (18 members)
- 2023 publications (13 members)
- Academic Tolkien literature (2 members)
- Academic institutions (3 members)
- Active contributors to this site (8 members)