PISA
Set to 42 different clues across 54 published puzzles, most often “City on the Arno” — The New York Times, Tuesday, 22 December 2009.
4 letters
Every clue on record, most used first
- City on the Arno4 times
The New York Times — Tuesday, 22 December 2009
- Galileo's birthplace4 times
The New York Times — Thursday, 26 October 2006
- Tower site3 times
The New York Times — Thursday, 19 February 1998
- Noted tower site2 times
The New York Times — Tuesday, 19 October 2010
- Leaning tower site2 times
The New York Times — Monday, 10 May 2010
- Galileo's home2 times
The New York Times — Sunday, 2 March 2003
- Council city of 14092 times
The New York Times — Sunday, 18 June 2000
- Leonardo of ___ (mathematician who wrote about the 33-Across)once
The New York Times — Wednesday, 11 May 2011
- Home of Galileo Galilei Airportonce
The New York Times — Sunday, 9 January 2011
- Camposanto Monumentale localeonce
The New York Times — Saturday, 29 May 2010
- Torre Pendente cityonce
The New York Times — Wednesday, 28 October 2009
- Piazza dei Miracoli townonce
The New York Times — Sunday, 25 October 2009