Redon's composite figures, often floating and seemingly lighted from within, are a frequent reference.
Klopp made frequent reference to last week's Premier League game against Chelsea in the buildup to this final.
The "floating world" of Japanese ukiyo-e prints is a frequent reference, most pointedly in "Utomara Washing Bumstead Sleeping".
Writers of the Hebrew Bible make frequent reference to the use of wood.
Opposition rallies ahead of next month's elections make frequent reference to the dreaded tolls.
Carmel is abducted from a storytelling festival, and both she and her mother make frequent reference to the fairytale nature of what's happened.
The bureau videotaped each of them pledging allegiance to Al Qaeda, and Mr. Gregorie made frequent reference to those oaths on Tuesday.
Even though he's a baddie, one character's frequent reference to a female underling as either "tits" or "twat" is played for laughs.
In addition to Rumi, Oliver's spiritual model for some of these poems might be Rainer Maria Rilke's "Archaic Torso of Apollo," a frequent reference point.
The report makes frequent reference to President Obama's economic stimulus plan, which includes billions of dollars for expanding access to broadband.
Nina Conti's puppet Monkey knows it is simply some cloth with a hand up its bottom and makes frequent reference to the fact.
