VIDEO : Ringo Starr Asks McCartney, Yoko Ono to Unearth Missing Beatles Photos

Ringo Starr recently unearthed over 250 intimate Beatles images for a book, Photograph, out September 21st. Now, the iconic drummer is asking Paul McCartney, Yoko Ono and Olivia Harrison to explore their personal photo archives for a potential follow-up project. "If they're listening... dig out the negatives," he said during an exhibition at London's National Portrait Gallery that presented photos from his book, The Guardian reports. He said, "I had a lot of stuff in storage, and we had to move everything, and I started finding books of negatives, a lot of them I didn?t know I still had."