Margo Martindale, who plays a fictionalized version of herself in this episode, was in the real movie Secretariat (2010).
The company that Alan works for, "Shoots & Leaves Cable Company," is a takeoff from the famous book "Eats, Shoots & Leaves: The Zero Tolerance Approach to Punctuation," which had pandas on the cover.
Diane says she was named after the character on Cheers (1982). According to the show's timeline Diane was born in 1980, 2 years before Cheers started airing, which is why she didn't have a name for the first three years of her life.
At the Presidential Library, Nixon's Enemy List contains: Arnold Picker, Alexander E. Barkan, Edwin Guthman, Maxwell Dane, Charles Dyson, Howard Stein, Allard Lowenstein, All Clowns, Leonard Woodcock, Sterling Munro, Jr., Bernard T. Feld, Sidney Davidoff, Walt Disney, John Conyers, Samuel M. Lambert, and Stewart Rawlings Mott.
Amy Sedaris's character, Princess Carolyn, says she's got five episodes of The Good Wife piled up on her DVR. Amy Sedaris guest starred on The Good Wife (2009) as a publicist in 2011.