These documents are copyrighted, see copyright message in each document. DEC gave permission for out of print manuals to be copied and I have contact owners of non DEC documents. If I made a mistake and have a document online that the copyright holder does not wish let me know and I will remove it. Please request permission from the document home site before copying a document to another website. For www.pdp8online.com that is me, David Gesswein.
If you don't find the document you are looking for I have documents that I haven't scanned yet, email me. You can also post to the newsgroup alt.sys.pdp8 where other pdp-8 collectors may have what you are looking for.