Books 2.5B3

Revise last sentence to read:

When recording the number of unnumbered pages, etc., in a sequence either estimate the number and give it preceded by about , or count the pages and give the number in square brackets.

Revise first and third examples to read:

8, vii, about 300, 73 pages

[8], 155 pages

Note: Bibliography: 6 ^th preliminary page.