Book In-Jokes in...
by C.C. Chang and H.J. Keisler
(North-Holland Publishing Co., 1973)
In the Preface, at the bottom of page vi, is the following, a reference to Russell's Paradox in set theory:
For the amusement of all those who gave us help, we dedicate our book to all model theorists who have never dedicated a book to themselves.Special thanks to James J. Dukarm for contributing this one.