Here is a list of PDF documents with keyboard layouts for all my emulators:

Keyboard layouts for HP-48GX:

HP-11E
HP-12E
HP-15E/X
HP-16E
HP-41X/E
HP-42X
HP-71X
TI-57E
TI-59E

Keyboard layouts for HP-49G:

HP-11E
HP-12E
HP-15E/X
HP-16E
HP-41X/E
HP-42X
HP-71X
TI-57E
TI-59E