ISO Examples from BL Guide

1. BL Guide ISO Examples from BL Guide

2. BL Guide EDTF Examples from BL Guide [BL]: Note the difference between u, where there is an expectation that the precise year might become known, and x, where there is not.

3. Personal Names (9.3.; PS 9.3.1.3) [BL] Record as appropriate a date of birth and/or a date of death, or a date or dates indicating a person’s period of activity. Record as specific a date as is known, even if a less specific date, or no date, has been used as an addition to the preferred name in the authorised access point:     046 __ ‡f 196005051001_ Smith, John, ‡d 1960- If only the year is known, record only the year: 046 __ ‡f 19311001_ Munro, Alice, ‡d 1931- BL Guide

4. Active Dates [BL] Record “active” dates in subfields ‡s and ‡t. Record a single “active” date in subfield ‡s: 046 __ ‡s 1820 ‡t 18601001_ Smith, John, ‡d active 1820-1860 046 __ ‡s 18001001_ Wills, Benjamin (Surgeon) Note that the century when a person was active can be recorded in 046: 046 __ ‡s 181001_ Parish, C. H. (person active in 19th century) BL Guide

5. BL Guide Active Date Examples [BL Guide] [BL:] Best practice is to include an 046 for a personal name, even if dates of birth and/or death are unknown, to indicate the year, years, century or centuries in which a person was active: