This may be of interest to some on here - S60, the mini coffee-table book marking 60 years of the Sonoton library is available from the designers:
store.discopogo.co/merch/559493-disco-pogo-sonoton-60
It's not cheap, unfortunately, but it's got some nice bits in it, like an interview with Gerhard and Heidi Narholz, mini biogs of some of the composers, a discography etc - a lot of stuff about the library business in the 21st century too, which while not my era at all is fairly interesting from a business perspective!
