Two v. of 3 issues each per year, <May 1991->

"Papers presented to J.E. Littlewood on his 80th birthday" issued as 3d ser., v. 14 A, 1965.

Some issues in 3d ser. accompanied by Abstracts of papers accepted f or publication.

Author index. Vols. 1-17, 1865-Nov. 1886, with v. 17; Vols. 1-20, 18 65-Nov. 1889, with v. 21; Vols. 1-30, 1865-Mar. 1899, with v. 30; Vols. 31-35, 1899-Jan. 1903; ser. 2, v. 1-30, Sept. 1903-Mar. 1930, with ser . 2, v. 30; Ser. 2, v. 1-54, Sept. 1903-Apr. 1953, with ser. 2, v. 54; ser. 3, v.51-75, 1985-1997. 1v. Subject index. Vols. 1-30, 1865-Mar. 18 99, with v. 30; Vols. 31-35, 1899-Jan. 1903; ser. 2, v. 1-30, Sept. 190 3-Mar. 1930, with ser. 2, v. 30; Ser. 2, v. 1-54, with v. 54.