Apart from the collector, the first and the best impressions of writers of importance, whose texts underwent at their own hands more or less material changes, are necessarily an object of research to the editor or specialist who has dedicated his attention to such or such a study; and he is apt to pursue the matter still further than the amateur, who does not, as a rule, esteem the intermediate issues. It is this feeling and need which have led, since critical and comparative editions came into fashion, to the accumulation by their superintendents of an exhaustive array of titles and dates, with hints of the most remarkable various readings; and the cause of bibliography has gained, whether, in drawing together the series, the book-hunter or the literary worker be the pioneer. From the editorial and bibliographical points of view a complete sequence of the writings of our more distinguished and durable authors is generally practicable; but of excessively popular or favourite books, even of the Elizabethan era, it is imperfect. We refer to such cases as the so far unseen second impression of Shakespeare's _Passionate Pilgrim_ and the ostensible disappearance of the original quarto of _Love's Labor's Lost_.
Two questions connected with the present part of the subject before us, now better understood and managed, were under the old system, so far as we can ascertain or judge, permitted to remain in a very loose and vague state. We allude to the law of copyright and the revision for the press. Prior to the institution of the Stationers' Company and the existence of a Register, the sole protection for authors and publishers was by the grant of a privilege or a monopoly for a term of years; yet even when registration had become compulsory, and was supposed to be effectual, spurious editions constantly found their way into the market, while books of which the writers might desire, on various grounds, to keep the MSS. in their own hands, found their way into print through some irregular channel. Such was the case with Shakespeare's _Hamlet_, 1603, and (in a somewhat different way) with the third edition of his _Passionate Pilgrim_, 1612; and we perceive that of Bacon's _Essays_ during some years two parallel impressions were current without ostensible interference or warrant. There are frequent instances in which authors state that their motive in hastening into type was the rumour that a surreptitious and inaccurate text was threatened, as if there was no legal power to prevent such a class of piracy.