Map in pocket.,Includes bibliographical references and index.

Folded maps and diagrams in pocket.,Bibliography: pages 79-82.,LSO ID: umlr000048

Cover title.,Issued also as Senate Document no. 19, 90th Congress. 1st session.,Includes bibliographies.,LSO ID: umlr000033.

LSO ID: umlr000065.nOCLC/WorldCat number: 13463779.,Includes bibliographical references (pages [209]-212 (2nd part)).

LSO ID: umls000008.nOCLC/WorldCat number: 7152222.