http://www.lispworks.com/documentation/HyperSpec/Body/f_firstc.htm http://www.lispworks.com/documentation/HyperSpec/Body/f_firs... http://www.lispworks.com/doc

http://www.lispworks.com/documentation/HyperSpec/Body/f_firstc.htm http://www.lispworks.com/documentation/HyperSpec/Body/f_firs... http://www.lispworks.com/documentation/HyperSpec/Body/f_rest.htm http://www.lispworks.com/documentation/HyperSpec/Body/f_rest... Circa 1990 or before.