Not only has Len Shustek of the Computer History Museum managed to get permission from IBM to release the APL/360 source code to he pubic; he has also written a wonderful companion explanatory essay to go along with its publication. This article is a must read for anyone who wants to understand the place K & Q hold in the larger context of computer history http://www.computerhistory.org/atchm/the-apl-progamming-language-source-code/
Congratulations all around!
Catherine Lathwell
http://www.computerhistory.org/atchm/the-apl-progamming-language-source-code/