Bulletin 16/24 is a local email newsletter circulating in the Charente and Dordogne departments of France.
a (not an) historian, hotel etc (but an heir, honour etc)
• omit a/an from the titles of organisations (but not books etc)
abbreviations: units of measure are abbreviated and set close-up: a 30m drop, 120kph, a 5kg hammer. But distances and sums of money are not: he fell 20 metres; it cost £1 million.
• Most organisations should be written out in full when first mentioned (the World Health Organisation), then abbreviated (the WHO) but note: the BBC, the IRA.
• Some titles are cumbersome so prefer BSE, mad cow disease; the Gaullist party, the RPR.
• Abbreviations ...