James J. Weinkam wrote: >> > Unfortunately, I no longer have any S/360 manuals and there don't seem > to be any free downloadable versions. http://www.bitsavers.org/pdf/ibm/360/poo/A22-6821-6_360PrincOpsJan67.pdf http://www.bitsavers.org/pdf/ibm/360/poo/A22-6821-7_360PrincOpsDec67.pdf