47 pages; 16 x 9 cm. Title supplied by cataloger. Glued to the inside front cover is a list of cipher holders. Glued to the fly leaf: Memorandum index. On verso of page 1: No. 5.
40 pages; 16 x 9 cm. Title supplied by cataloger. Glued to inside front cover is a list of cipher holds. Glued to the front fly leaf: Memorandum Index. On verso of page 1: No. 5. Laid inside the book in an envelope labeled: Rules for working Cipher "No. 5". Envelope has printed on it: War Department, Official Business, Assistant Secretary of War. The rules are written on yellow paper, same as EC 49, six pages.
25 pages; 15 x 9 cm. List of cipher holders on front fly leaf. Instructions for use are handwritten and glued onto inside back cover. Added pages glued in. Cipher for numerals on back fly leaf.
24 pages; 15 x 9 cm. List of cipher holders on inside front cover. Handwritten instructions for use on t.p. verso. Added pages glued in. Cipher for numerals on back fly leaf.
40 pages; 16 x 9 cm. Title supplied by cataloger. On fly leaf: U. S. Military Telegraph, Fort Leavenworth. On verso of page 1: No. 5. Laid inside book: a list of cipher holders for nos. 1 and 5, Division of the Gulf, 1866, May 7th, and directions for use on Western Union Telegraph stationary, undated.
40 pages; 16 x 9 cm. Title supplied by cataloger. Inside front cover was an index in pencil, either erased or worn off. Written on front fly leaf: C. A. Keefer, cypher clerk, Vicksburg Miss, 1866, Resigned June 1st. No. 5. F. A. H. Sanborn, Cipher Clerk, Vicksburg, Miss, Appointed June 1st/66, Relieved Sept. 1", 1866.
