Organizations:
- American Society for Indexing (ASI)
- Editorial Freelancers Association
- Rocky Mountain Publishing Professionals Guild (RMPPG)
Books and Journals:
- ASI has a number of publications and books available, including Key Words, the Bulletin of the American Society for Indexing
- Information Today - Including the new book Index It Right! Advice from the Experts, Volume 2, Edited by Janet Perlman & Enid L. Zafran (2010)
- I-Torque online journal (Now out of print; See also the index of past issues)
Indexing Software:
Miscellaneous:
- Chapter List of Favorite References (PDF format)
- Chemistry Symbols - Doreen McLaughlin (PDF format)