RT-11 on 8" media

Some Newby-ish questions, if it so please The List: In a box of Stuff, I got 2 cartons of BASF 8".... one of which is marked "RT-11 V3 System DO NOT OVERWRITE!!!". And inside are 7 floppies, each with a DIR printout stuck in the envelope, (and the DIRs look like typical RT-11 files). These disks are numbered 21 - 26 and 30. The other box has no IDs of any kind, save three diskettes are labled 47, 49, and 50. The other 7 are unadorned, but they appear to have been spun... there are faint burnish markings on the surfaces. As an added, extra bonus, there is a listing of an 18-line Basic program which "Determines if One Number is a Factor of Another".... surely an unexpected blessing. All this absurd and useless detail aside... I am wondering if there is a 'Minimum Set' of files, which placed on a floppy(ies) would boot a PDP11... and, I am assuming, it would require Sysgenning? Is there available on the Web this info? Also, I have an 11/73 with RT-11SJ V5.0.... it has an 8" drive. What would I have to do to make a bootable minimal floppy on this machine? In other words how few files can one get away with to wake up a PDP11 with only an RX02 clone as it's mass storage? Bowing before the Silicon Slippers of the Knowledgeable Ones, Cheers John PS: Learning all the time..... TIA!