Cryptarithms Online
Large collection of cryptarithms.
www.geocities.com/Athens/Agora/2160/   reviews

The Alphametics Page
Information about alphametics, including a history and philosophy; many examples.
users.aol.com/s6sj7gt/mikealp.htm   reviews

Alphametics and Cryptarithms
Some Alphametics Cryptarithms Puzzles ...
www.mathematik.uni-bielefeld.de/~sillke/PUZZLES/ALPHAMETIC/   reviews

Links to Cryptarithm Sites On The Web
Links to cryptarithm sites on the Web.
www.geocities.com/Athens/Agora/2160/links.html   reviews

The Contest Center - Cryptarithms / Alphametics
These popular puzzles are called cryptarithms, alphametics, or cryptic arithmetic. Your job is to replace the letters by numbers so the sums work out correctly.
www.contestcen.com/rithms.htm   reviews