Of the work of the printers of the next half-century our knowledge is much less detailed, and Mr. Plomer might fairly claim that he himself, by the numerous documents which he has unearthed at the Record Office and at Somerset House, has made some contributions to it of considerable value and interest. It is to his credit, if I may say so, that so little is written here of these discoveries. In a larger book the story of the brawl in which Pynson's head came so nigh to being broken, or of John Rastell's suit against the theatrical costumier who impounded the dresses used in his private theatre, would form pleasant digressions, but in a sketch of a large subject there is no room for digressions, and these personal incidents have been sternly ignored by their discoverer. Even his first love, Robert Wyer, has been allotted not more than six lines above the space which is due to him, and generally Mr. Plomer has compressed the story told in the _Typographical Antiquities_ of Ames, Herbert, and Dibdin with much impartiality. When we pass beyond the year 1556, which witnessed the incorporation of the Stationers' Company, Mr. Arber's _Transcripts_ from the Company's Registers become the chief source of information, and Mr. Plomer's pages bear ample record of the use he has made of them, and of the numerous documents printed by Mr. Arber in his prefaces. After 1603, the date at which Mr. Arber discontinues, to the sorrow of all bibliographers, his epitome of the annual output of the press, information is far less abundant. After 1640 it becomes a matter of shreds and patches, with no other continuous aid than Mr. Talbot Reed's admirable work, _A History of the Old English Letter Foundries_, written from a different standpoint, to serve as a guide. His own researches at the Record Office have enabled Mr. Plomer to enlarge considerably our knowledge of the printers at work during the second half of the seventeenth century, but when the State made up its mind to leave the printers alone, even this source of information lapses, and the pioneer has to gather what he may from the imprints in books which come under his hand, from notices of a few individual printers, and stray anecdotes and memoranda. Through this almost pathless forest Mr. Plomer has threaded his way, and though the road he has made may be broken and imperfect, the fact that a road exists, which they can widen and mend, will be of incalculable advantage to all students of printing.