I don't see why not if you're crediting the writer, but then, I'm not an
intellectual-property lawyer, nor do I play one on TV.
> Do you think this would also apply if it was, say, a painting or other
> non-calligraphy project?
>> Hi, Lydia,
>> I've seen many examples of professional calligraphy that uses others'
>> words, with a small citation. I think as long as the students are
>> citing the author's name and not claiming the words as their own,
>> it's fine.