Callahan está representado en este catálogo con 11 libros en 2 series, incluidas Callahan's y Lady Sally's.
Callahan's Crosstime Saloon
1977
Callahan's Lady
1989
Time Travellers Strictly Cash
1981
Lady Slings the Booze
1992
Callahan's Secret
1986
Callahan's Crazy Crosstime Bar
1989
The Callahan Touch
1993
Off the Wall at Callahan's
1994
Callahan's Legacy
1996
Callahan's Key
2000
Callahan's Con
2003