Subseries consists of 230 issues from New Nick Carter Weekly. folders containing the dime novels from this subseries are labelled simply, "Nick Carter Weekly", not "New NC Weekly".
Publisher: Street and Smith, New York
Date of First Issue (No. 1): Jan. 2, 1897
Date of Last Issue (No. 819): Sept. 7, 1912
First in Collection (No. 365): Dec. 26, 1903
Last in Collection (No. 801): May 4, 1912
New NC Weekly is a continuation of the NC Library and NC Weekly; it comprises nos. 8-42 and 321-819. The format is 7 x 10 ½ inches (nos. 8-42) and 8 x 11 inches (nos. 321-819), with 32 pages. Issues cost 5 cents. Pictorial covers are coloured. Continued by NC Stories.
Series consists of 291 issues from Secret Service.
Publisher: Varies: Frank Tousey (nos. 1-1207), Harry E. Wolff (nos. 1208-1374)
Date of First Issue(No. 1): Jan. 27, 1899
Date of Last Issue(No. 1374): May 22, 1925
First in Collection (No. 58): Mar. 2, 1900
Last in Collection (No. 732): Jan. 31, 1913
Secret Service is a weekly publication. The format is 8 x 11 inches, with 32 pages. Issues cost 5 cents. Pictorial covers are coloured. All stories after issue no. 726 are reprints of earlier issues. Consists primarily of mystery and detective stories. With issue no. 442, short stories and serials appear following the title story; with issue no. 671 the phrase "And Other Stories" appears on the cover.