Thanks, fellow sharers of the "same" language, for your great replies.
I know that I never saw whilst in any of my pubs. I live in California, USA. Although I proofread WT publications in many languages while at Bethel (one didn't need to know the language to make corrections), I believe English galleys were always in "American."
[In the publishing world, galleys, or uncorrected proofs, or advance reading copies, or ARCs, are created by the publisher months before the final printing and release of the book. They are sent to reviewers, booksellers, bloggers and other people crucial to the critical and commercial success of the book.
http://blog.catherinedelors.com/demystifying-publishing-jargon-galleys/]
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But there's at least one Americanism I like and use over the British form - I say 'gotten', not 'got'. -- LUHE
Yesterday, I corrected a student's paper, substituting "gotten" for "got."
CHEERS!