- https://en.wikipedia.org/wiki/Rich_Text_Format
- http://shop.oreilly.com/product/9780596004750.do
- http://search.cpan.org/search?dist=RTF-Writer
- http://search.cpan.org/dist/RTF-Writer/lib/RTF/Cookbook.pod
- https://metacpan.org/pod/distribution/XML-SAX-RTF/RTF.pm – “… generates XML that closely matches the structure of RTF …” — tells me “not well-formed (invalid token) …” with my very 1st sample — gave up on it