Creativity, Learning Joan Rivers took really, really good notes.

In a scene from the documentary “Joan Rivers: A Piece of Work,” the comedian explains how she kept and cross-referenced 65,000 jokes. Credit Break Thru Films

Melissa Rivers, daughter of Joan Rivers, is donating the comedian's extensive archives, including a meticulously organized collection of 65,000 typewritten jokes, to the National Comedy Center, the high-tech museum in Jamestown, N.Y., joining the archives of A-list comics like George Carlin and Carl Reiner.  Journey Gunderson, Executive Director of the Center, described the catalog as one of 'the crown jewels of comedy that exist on planet Earth.'” Article: The Joan Rivers Card Catalog of Jokes Finds a Home