In 1945, book collector John Medcraft (1895-1951) privately published A Bibliography of the Penny Bloods of Edward Lloyd . One of the earliest bibliographies of the lurid fiction publications of penny press magnare Edward Lloyd (1815-90), Medcraft's Bibliography is incomplete and flawed but has profoundly influenced the study of penny fiction. It is also scarce: Medcraft had only 200 copies printed, and there is no open-access facsimile.
To read James Malcolm Rymer's A Mystery in Scarlet in its original publication context, accompanied by other contents of The London Miscellany no. 1-18 (1866), please see the bound copy of that periodical in the collection of the Wells Library, Indiana University, Bloomington, Indiana. This copy lacks the series of four promotional color prints titled Rich and Poor and accompanying the serial of that name; these prints are accessible elsewhere in this COVE edition.