Topical connections
Jan Trefulka on Wikipedia
External resources
- http://baila.net/autor/31093696/jan-trefulka
- http://books.google.co.uk/books?id=a52DF0aGtisC&pg=PA135&lpg=PA135&dq=jan+trefulka+life&source=web&ots=1tNjzuG89z&sig=oEg69MUx4PT4O7-BP1ACZaJl6GE&hl=en&sa=X&oi=book_result&resnum=9&ct=result
- http://translate.google.co.uk/translate?hl=en&sl=cs&u=http://www.atlantis-brno.cz/inshop/autori/trefulka-jan/&sa=X&oi=translate&resnum=5&ct=result&prev=/search%3Fq%3Djan%2Btrefulka%26hl%3Den
- http://translate.google.co.uk/translate?hl=en&sl=cs&u=http://www.spisovatele.cz/jan-trefulka&sa=X&oi=translate&resnum=2&ct=result&prev=/search%3Fq%3Djan%2Btrefulka%26start%3D10%26hl%3Den%26sa%3DN