21. Information respecting the edition and the editor, and any additional matter, should be included in the catalogue slip. [160]
Place of Publication.
22. The place of publication must always be given, and if it be not found on the title-page, it must be added between brackets whenever known. The name always to be given as it appears on the title-page. Sometimes the place of printing, when different from that of publication, is added, but this is only necessary in rare cases. [163]
Date.
23. Dates are always to be given in a catalogue in Arabic numerals. It is important that the date should be discovered when it does not occur on the title-page. The date may sometimes occur as a chronogram, which should not be overlooked. [164]
24. Greek dates require special attention. For a table of these [see Chapter IV., p. 167].
Size-Notation.
25. In books published before the use of machine-made papers, the size of books is to be distinguished by the signatures and the fold of the water-mark of the hand-made paper. In modern books demy octavo is to be considered as the standard of an octavo. All above that size to be styled large octavo, and all below small octavo. Quartos and folios to be so designated, except in those cases where they are either specially large or specially small, when they should respectively be described as large quarto or small folio. [168]
Collation.