I was recently rereading Too Many Magicians (A Lord D'Arcy novel) by Randall Garrett and the introduction said that there were punnish references to The Man From U.N.C.L.E.. Of course the Nero Wolfe references were obvious, but I could not identify the Man From U.N.C.L.E. puns. Can someone help with pointing out the references.
I just realized the Uncle Nepelear Einzig is also a pun on Uncle Napolean Solo. He is the only relative Lady Tia has left thus another way to show Uncle Napoleon Solo. Also the Man from the Isle Of Man who carries the message is Goodman Colin MacDavid, The (Manx)Man from Uncle. David MacCallum played Ilya Kuryakin the associate (and friend) of Napoleon Solo.
Thanks to @JdeBP who pointed out that Einzig is Solo in German and Tia is Aunt (female Uncle) in Portuguese (or Spanish).
Good answers! Let me toss in a few other easter eggs (besides the Uncle and Nero Wolf references) from the novel:
The Grand Master of the Guild of Sorcerers is Sir Lyon Gandalphus Grey. His description is a match for Gandalf, but he is also a deliberate play on L. [Lyon] Sprague de Camp, a major fantasy and SF writer of the time.
The previous grandmaster of the Guild was Sir Edward Elmer, ThD (Doctor of Thaumaturgy) who invented a jewel which King's Messengers can use to ID themselves -- it glows when the messenger touchers it. This is, of course, Edward Elmer Smith, PhD who wrote of the Lensmen.