The two .nib files are protected images from the original master disks.
The IIe patch nib is protected but works on an enhanced //e
The two .dsk files are the patched images, can be copied with standard disk copy program.
The sector patches are listed below.

On Merlin disk side A:

Sector edit track 2 sector 2 byte $BC from $E9 to $AD
Sector edit track $03 sector $07 byte $3C from $E9 to $AD and bytes $6F,$70 from $D0 $FA to $A9 $00
Sector edit track $14 sector $00 byte $C4 from $EA $EA $EA $EA to $8D $06 $C0 $60
Sector edit track $1D sector sector $0A byte $3B from $E9 to $AD