Vintage 8088 (and up) era stuff on archive dot org
Here:
https://archive.org/details/@glencanyon
MS DOS 2.11 For Tandy 1000
DeskMate II For Tandy 1000 SX Ver. 1.00
MS DOS 3.20 For Tandy 1000
MSDOS 3.30 For Epson Apex 100
Q&A Ver 3.0 360K Disk Set
MAXAR PC GW BASIC V 3.20 (I'm not familiar with this brand)
and a slather of additional titles, including scanned manuals.
https://archive.org/details/@glencanyon
MS DOS 2.11 For Tandy 1000
DeskMate II For Tandy 1000 SX Ver. 1.00
MS DOS 3.20 For Tandy 1000
MSDOS 3.30 For Epson Apex 100
Q&A Ver 3.0 360K Disk Set
MAXAR PC GW BASIC V 3.20 (I'm not familiar with this brand)
and a slather of additional titles, including scanned manuals.