Subtitle varies: "An index to the legislation of the States of the United States enacted during the biennium" 1935/1936-1947/1948.
Issued by: Legislative Reference Service of the Library of Congress, 1925/1926-1933/1934; by: State Law Index, Library of Congress, 1935/1936-1937/1938; by: State Law Index Section of the Legislative Reference Service of the Library of Congress, 1939/1940-1943/1944; by: State Law Section of the Legislative Reference Service of the Library of Congress, 1945/1946-1947/1948.
Vols. 1-5 (1925-26--1933-34) include digests of important State legislation: important statutory changes; important changes in State laws relating to administrative organization and personnel. Beginning with 1938 digests on selected subjects were published separately as numbers of the series: State law digest report.