Project Gutenberg: King Henry IV, Part 1
- Public domain text download.
- http://www.gutenberg.org/etext/1115

Titles from Henry IV, Part 1
- A listing of book and play titles taken from Henry IV, Part 1.
- http://www.barbarapaul.com/shake/1henryiv.html

The First Part of King Henry IV
- University of Virginia's electronic text center.
- http://etext.lib.virginia.edu/toc/modeng/public/Mob1He4.html

William Shakespeare info: Henry IV (Part 1)
- Full text, plot summary, first performances, printing dates, and quotes.
- http://www.william-shakespeare.info/shakespeare-play-king-henry-iv-part-1.htm

Shakespeare Literature: Henry IV, part 1
- Scene-indexed and searchable.
- http://www.shakespeare-literature.com/Henry_IV,_part_1/index.html

About Shakespeare Henry IV Guide
- Summary, essays, quotes, and a bibliography.
- http://www.about-shakespeare.com/henry.php

Literature Network: King Henry IV, Part 1
- Scene-indexed HTML of the complete text. Summary, search feature, and author information.
- http://www.online-literature.com/shakespeare/henryIV1/

Renascence Editions: King Henry IV, Part 1
- Unindexed HTML of the complete text.
- http://darkwing.uoregon.edu/~rbear/shake/hiv1.html

ClassicNotes: Henry IV, Part I
- Summary, analysis, biography, and links.
- http://www.gradesaver.com/ClassicNotes/Titles/henryiv.html