_Dates._ The books classed under a given year, such as 1615, are
necessarily such as were issued between 25 March 1615 and 24 March
1616, since no means exist for dividing them according to the
historical year. In recording a date between Jan. 1 and March 24, the
form used is invariably the double one, such as 23 Feb. 1615/6, by
which is implied what we understand by 23 Feb. 1616.
_Numbers of books._ Some notes on the number of books printed at
Oxford will be found on p. 291, and of books printed or published at
Oxford on p. 292, among the Notanda.
_References._ The usual style of reference throughout the book
(including index) is to the _year_ followed by the _initial letter_ of
the particular heading; as 1634 C, when the reference is to no. 9 on
p. 177 (Cosin). A few references will be found in the earlier pages to
years beyond 1640, made before it was decided to close the work at
that year.
_Titles._ The heading usually presents the author’s name in the form
by which he is generally known to posterity, as “James ii, king,”
although at the time of the book referred to he was prince James.
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Footnote 1:
See Appendixes A, B.
Footnote 2:
Separate leaves from rare and costly books are given in G. E.
Klemming’s ©Sveriges äldre liturgiska literatur©, Stockholm, 1879—a
practice which cannot be approved—but no local press has as yet been
similarly illustrated.
Footnote 3:
Separate copies can _only_ be obtained by ordering them from the
Clarendon Press, and are not supplied by the Society.