On the 3D Realms ROTT Tech Support page there is a link to the ROTT manual in pdf format. (See Lost your ROTT manual? link) - about 15 inches down from the top of the page. The manual has 33 pages and is around 9Mb.
http://www.3drealms.com/tech/rott.html
The Wolf3D Tech Support page has the manuals for Wolf3D/Spear. Please note though, these are not the hint books, just the instruction manuals.
http://www.3drealms.com/tech/rott.html
The Wolf3D Tech Support page has the manuals for Wolf3D/Spear. Please note though, these are not the hint books, just the instruction manuals.