VT100.net: Terminal Information
User and programmer information for Digital's video terminals ...
www.vt100.net/   reviews

Video Terminal and Terminal-Emulator Information
Archived info on video terminals: character-cell non-bit-mapped ASCII/EBCDIC and remote-graphics terminals + control codes, terminal-emulation software.
www.cs.utk.edu/~shuford/terminal_index.html   reviews