ISO 2022 designator sequences - Table of escape sequences that may be used to alter the assignments of the graphic character sets. - http://www.ibiblio.org/pub/packages/ccic/software/info/cjk-codes/ISO2022-designators.html
ISO 2022 Escape sequences - Clickable table showing escape sequences from ISO 2022. - http://homepages.cwi.nl/~dik/english/codes/2022/esc.html