Most people getting back into the TRS-80, are without decent reference materials...
This thread is for users to post and download copies or re-creations of manuals, tutorials or reference cards. If you have anything that you think others could use, learn or benefit from, please post it here.
To start this thread off, I've attached a recreation of the TRSDOS 1.3 Reference Guide.
While the whole thing is 22 pages, in book form it only uses six sheets of paper.