For 'Mad Men' fans, the end of 10 long months of waiting might be reason enough for a drink -- and where better to have it than P.J. Clarke's, one of New York's most storied watering holes? The famous bar is also a favorite of the on-screen Sterling Cooper staff.

As the show marks the beginning of the end of an era, we asked Gerry Biggins, P.J. Clarke's resident quick-witted Irish bartender, to share his recipes for some classic, 'Mad Men'-esque cocktails with us.