If you want to know, you can start with:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2722973/
Not only can one see that it has sometimes been done from the above link, one can see from others as well:
http://www.anencephalie-info.org/e/faq.php#18
If you want to find many more articles about this issue, you can search for "anencephalic organ donation" (without the quotation marks).
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2722973/
Not only can one see that it has sometimes been done from the above link, one can see from others as well:
http://www.anencephalie-info.org/e/faq.php#18
If you want to find many more articles about this issue, you can search for "anencephalic organ donation" (without the quotation marks).
"A wise man ... proportions his belief to the evidence."
— David Hume, An Enquiry Concerning Human Understanding, Section X, Part I.
