Table of Contents (linktotoc)
505 [ ] $u
856 [4 1] if ($3 == 'table of contents') $u = link and $3 = display
Review (linktoreview)
520 [1 ] $u
856 [4 -2] if ($3 == 'book review') $u = link and $y,$z,$3 = display
Additional link (addlink)
506 [ ] $u = link and 'Access restrictions' = display
540 [ ] $u = link and 'Terms governing use and reproduction' = display
538 [ ] $u = link and 'Systen details' = display
545 [ ] $u = link and 'Biographical or historical information' = display
856 [4 2] if ($3 exists and not $3 == 'finding aid') $u = link and $y,$z,$3 = display
956 [4 2] if ($z exists) $u = link and $z = display and $A = LOCAL and $I = institution
856 [4 -2] if ($3 == 'sample text' or $3 == 'publisher description') $u = link and $3,$y,$z = display
Finding aid (linktofa)
555 [ ] $u = link and $E = 'linktofa'
856 [4 2] if ($3 == 'finding aid') $u = link and $3 = 'linktofa'
Worldcat (linktouc)
020 [ ] $T = 'worldcat_isbn' $E = 'worldcat'
addata/oclcid if (not 020$a exists)