504 - Bibliography

For All material

500 # # $a Includes index. (no bibliography but includes index)
504 # # $a Includes bibliographical references and index (scattered and index)
504 # # $a Includes bibliographical references. (Bibliographies scattered)
504 # # $a Includes bibliographical references (p. xx) and index. (1 bibliog. + index)
504 # # $a Includes bibliographical references (p. xx) (only a single bibliography)