Now this sounds like the kind of thing you would have read about in one of Sebald’s books:
I saved the most fascinating and astonishing section for last. Richard Sheppard has indexed all of the interviews conducted with Sebald for every reference to a name, a title, or a topic. If the reader wants to see what Sebald said about, say, Theodor Adorno, Jane Austen, Henry Ford, Jean Genet, Gruppe 47, Ernest Hemingway, Adolf Hitler, Herman Melville, Virginia Woolf, animals, butterflies and moths, depression, irony, the Treblinka trials, or countless other names or topics, the index will direct you to the appropriate interviews. (Now, all you have to do is track the interviews down.) Two of my favorite topics in the index were: “surgery, fear of” and “greatest wish: to live outside of time”.
One hopes beyond hope that they have invented a few entries whole cloth.