- History of the NYT Sunday Crossword 12/29/2011
- What If Facebook Re-Envisioned the New York Times Crossword? 9/21/2011
- For a Bereft Street Corner in Queens, a Red-Letter Day (Scrabble sign: 35T1H4 A1V4E1N1U1E1); 7/16/2011
- "The Best of Uncle John’s Bathroom Reader" 3/31/2008
Ephemera Offers a Clue to Crossword Origins by Will Shortz 6/2001- A Scholarly Sort of Fun 5/7/1999
- Wikipedia: general Crossword history; NYT
- History of crosswords and puzzles (from original: Storia delle parole crociate e del cruciverba)
- First NYT Crosswords
- Acrostics: Mystical to Mind-Boggling; From Poetry to Parlor Games
- crosswordtournament.com; PennyPress [.pdf]; entertainmentmentornews.com; thinks.com; about.com; infoplease.com; inventorspot.com; crosswordacademy.com; Hamel: news articles
- TV Tropes media references
Some lyrics sites: Lyrics n Music; SongLyrics; Sing365; LyricsPond; ReverbNation; lyrics.time; Lyricsaholic; LyricsG; LyricsMania; LyricWiki; LipwalkLyrics- Unofficial: "National Puzzle Day" (Jan 29?); "Crossword Puzzle Day" (US: Jul 21?)
- WWII Code: HSW; Wikipedia; funfacts.com; Telegraph
- Books: Crossworld: One Man's Journey into America's Crossword Obsession by Marc Romano
- The Crossword Obsession: The History and Lore of the World's Most Popular Pastime by Coral Amende
- Word Freak: Heartbreak, Triumph, Genius, and Obsession in the World of Competitive Scrabble Players by Stefan Fatsis