First edition; 96 letters, originally issued seperately, in 2 series, but subsequently collected into ı volumes of 12 letters each, to which general title-pages were prefixed. Each letter was in original paper covers, with title upon the front; only letters 1-20 of first series and 4-12 of "New series" were issued with special title-pages. The first 36 letters are paged seperately, the remainder, by volume.

Volumes II and IV contain a "Supplementary number" (Index to volumes I-II and III-IV respectively).

Imprint of letters varies.

Includes index.

Reproduction of the original from the Goldsmiths' Library of Economic Literature, Senate House Library, University of London.

Shelfmark number: [G.L.] 1871.