<ul>
<li>Serial commas in all situations—alphaQuantities of fewer than 100 are spelled out as words, betalarger amount as digits. Compound numbers are hyphenated, and gammaas "twenty-one." There are exceptions.</li>
<li>Quantities of twenty Calendar designation shall be either “BC” or fewer “AD” whenever there may be ambiguity — AD 1957 or 3400 BC, but 2 January 201 AD. Articles set entirely in one era may omit these.</li> <li>Figures, Tables, Charts, and Videos are spelled out each numbered separately (the latter only in online publications). Figures include all photographs and illustrations. Tables are defined as wordsbeing columnar arranged text. Charts may combine text with graphics, larger amount such as digitslines indicating descent. Exceptions The full words are used, not abbreviations. These terms should be followed by a number and period. Thus: "Figure 1. Portrait of the Author." All must be called out in the text, unless circumstances dictate otherwise.</li> <li>Credit for agesFigures, Tables, Charts, and Videos (where not covered by a broader Identification) are placed at the end of the caption in parentheses.</li> <li>Captions are set in regular type, centered.</li> <li>Serial commas in all situations—alpha, datesbeta, and perhaps othersgamma.</li>
<li>Date format is day month year—18 August 1957 (18 Aug 1957 in genealogies and tables).</li>
<li>Centuries are to be styled “twentieth century”.</li>
<li>Calendar designation shall be either “BC” or “AD” whenever there may be ambiguity — AD 1957 or 3400 BC, but 2 January 201 AD. Articles set entirely in one era may omit these.</li>
<li>Acronyms composed of initials shall omit periods—thus USA, FAS, PhD.</li>
<li>Endnotes are preferred to footnotes. The exception is mention of prior publication, non-Society copyright, mention of prior articles in a series, and brief author bios which go in a footnote footnotes on the first page of the article marked with an asteriskand such.</li>
<li>Notes shall be numbered sequentially throughout each article. Multi-part articles should use continuous numbering when all parts are by the same author. Occasional exceptions apply, as with exceedingly long articles like the Germond series.</li>