Major Research Libraries
Each online catalog has its own protocols and peculiarities, but most
also have extensive HELP files. Some are only intermittently available.
To DISCONNECT you can use < CONTROL> < ]> , and then type quit at the
telnet> prompt.
Choosing a library to search is a matter of strengths of collections,
ease of searching, and familiarity with online catalog conventions.
A list of research
libraries with automated telnet logins may be useful.
Among the
most interesting and popular catalogs are the following: